Trusted
Partner In
Building Plan
Approvals
Across
Tamil Nadu
About
Streamlined Approval Services You Can Count On
Redefining the way you get building approvals
Cassinil combines engineering expertise and regulatory knowledge to simplify building approvals. From accurate drawings to end-to-end documentation, we make every step efficient, compliant, and stress-free.
100+
Approvals Delivered
98%
Client Satisfaction
05+
Years of Experience
50+
Layouts & Reclassifications
01
Personalized approach
We understand every project is unique — whether it’s a layout, self-certification, or reclassification.
02
Expert guidance
With 8+ years in civil engineering approvals, our registered engineers guide you through every regulatory step
03
Seamless process
From land survey to final certificate, we streamline your approval journey — no more paperwork nightmares.
Services
Smart Engineering Solutions Backed by Experience
Building Plan Approval
Get building plan approvals from GCC, DTCP & CMDA with complete compliance. We handle the full documentation for smooth regulatory approval
Layout Approval
Layout design and approval work for all types of layouts across Tamil Nadu, whether it’s rural panchayat or urban municipality
Self-Certification
Certified engineers prepare self-certified building plan drawings — fast and cost-effective.
Completion Certificate
After construction, we assist with getting the completion certificate from DTCP & CMDA.
Pre-DCR & eDCR Drawings
We create pre-DCR / eDCR drawings for HRB (High-Rise Buildings) and NHRB (Non High-Rise Buildings), for both residential and commercial projects.
Submission & Approval
We submit plans to the relevant authority (CMDA / DTCP / Panchayat). We coordinate during review and respond to feedback
3D Design Services
We submit plans to the relevant authority (CMDA / DTCP / Panchayat). We coordinate during review and respond to feedback
Pricing
All pricing includes drawing, documentation & support until approval.
Self-Certification Approval Drawing
✔ Fast processing
✔ DTCP / CMDA compliant
✔ Ideal for individual houses
Starts from
₹ 1500 /-
CMDA Pre-DCR Drawing
✔ HRB & NHRB
✔ Residential & Commercial
✔ Accurate rule-based planning
Starts from
₹ 0.60 / sq.ft
Single Window Approval Drawing
✔ Best for CMDA areas
✔ Includes corrections
✔ Quick submissions
Starts from
₹ 2000
Scheme Drawing (Layout Approval)
✔ Fast processing
✔ DTCP / CMDA compliant
✔ Ideal for individual houses
Starts from
₹ 1.50 / sq.ft
Detail Estimate
✔ HRB & NHRB
✔ Residential & Commercial
Starts from
₹ 4 / sq.ft
Premium 3D Design Services
✔ High-quality rendering
✔ Perfect for planning & visualization
✔ Up to 3 design variations
Starts from
₹ 1500
Interior Design
✔ Basic Interior Consultation
✔ Complete Home Interior Design
✔ Premium Interior Design Package
Starts from
₹ 120 / sq.ft
Walkthrough Video
✔ Basic Interior Walkthrough
✔ Advanced 3D Walkthrough Video
✔ Exterior Walkthrough Video
Starts from
₹ 4 / sq.ft
Survey Work Charges
✔ Total Station Survey
✔ DGPS Survey (Differential GPS)
✔ Layout Marking & Setting Out
Starts from
₹ 5000
Features
What Makes Us the Preferred Choice for Approvals
5+ Years of Experience
We’ve handled approvals, drawings & documentation for hundreds of projects — from villas to townships.
CMDA & DTCP Certified Engineers
All drawings & submissions are handled by registered engineers. Fully rule-compliant.
Fast & Hassle-Free Process
We know the system. We deal with authorities.
Transparent & Affordable Pricing
No hidden charges. Fixed pricing for drawings & documentation.
State-Wide Coverage
We work across Tamil Nadu — Corporation, Municipality, Town Panchayat & Rural Panchayat.
End-to-End Support
From Pre-DCR to final Completion Certificate — we stay with you until the project is approved.
Testimonials
Hear from our clients about their experiences
Cassinil handled the entire CMDA approval for my G+2 house. No follow-ups, no confusion — everything was done smoothly and on time. Highly recommend their service.
Suresh K
Velachery, Chennai
We needed layout approval for a 30-plot site in Thiruvallur. Cassinil took over the process completely and got the DTCP approval faster than expected.
Rajesh Real Estates
Thiruvallur
Their Pre-DCR and eDCR drawings were accurate and rule-compliant. It helped us avoid multiple revisions and saved a lot of time.
Prakash
Project Engineer, Tambaram
I needed self-certification for an S+1 building. Cassinil made it so easy — drawing, submission, approval, all under one roof.
Lakshmi Priya
Madipakkam
We struggled with Completion Certificate follow-ups for months. Cassinil stepped in and handled everything.
Jagan
Civil Contractor, Avadi
Their 3D interior design helped us visualize the entire house before construction. Saved us from making expensive changes later.
Anitha & Pradeep
Coimbatore
Start Your Building Approval Process with Confidence
Cassinil is your trusted partner in getting building approvals from CMDA to DTCP. Whether it’s a single home or a large layout, we provide complete support with precision and expertise.
Contact Us
Get in touch with us for your home
Trusted
Partner In
Building Plan
Approvals
Across
Tamil Nadu
About
Streamlined Approval Services You Can Count On
Redefining the way you get building approvals
Cassinil combines engineering expertise and regulatory knowledge to simplify building approvals. From accurate drawings to end-to-end documentation, we make every step efficient, compliant, and stress-free.
100+
Approvals Delivered
98%
Client Satisfaction
08+
Years of Experience
50+
Layouts & Reclassifications
01
Personalized approach
We understand every project is unique — whether it’s a layout, self-certification, or reclassification.
02
Expert guidance
With 8+ years in civil engineering approvals, our registered engineers guide you through every regulatory step
03
Seamless process
From land survey to final certificate, we streamline your approval journey — no more paperwork nightmares.
Services
Smart Engineering Solutions Backed by Experience
Building Plan Approval
Get building plan approvals from GCC, DTCP & CMDA with complete compliance. We handle the full documentation for smooth regulatory approval
Layout Approval
Layout design and approval work for all types of layouts across Tamil Nadu, whether it’s rural panchayat or urban municipality
Self-Certification
Certified engineers prepare self-certified building plan drawings — fast and cost-effective.
Completion Certificate
After construction, we assist with getting the completion certificate from DTCP & CMDA.
Pre-DCR & eDCR Drawings
We create pre-DCR / eDCR drawings for HRB (High-Rise Buildings) and NHRB (Non High-Rise Buildings), for both residential and commercial projects.
Submission & Approval
We submit plans to the relevant authority (CMDA / DTCP / Panchayat). We coordinate during review and respond to feedback
3D Design Services
We submit plans to the relevant authority (CMDA / DTCP / Panchayat). We coordinate during review and respond to feedback
Pricing
All pricing includes drawing, documentation & support until approval.
Self-Certification Approval Drawing
✔ Fast processing
✔ DTCP / CMDA compliant
✔ Ideal for individual houses
Starts from
₹ 1500 /-
CMDA Pre-DCR Drawing
✔ HRB & NHRB
✔ Residential & Commercial
✔ Accurate rule-based planning
Starts from
₹ 0.60 / sq.ft
Single Window Approval Drawing
✔ Best for CMDA areas
✔ Includes corrections
✔ Quick submissions
Starts from
₹ 2000
Scheme Drawing (Layout Approval)
✔ Fast processing
✔ DTCP / CMDA compliant
✔ Ideal for individual houses
Starts from
₹ 1.50 / sq.ft
Detail Estimate
✔ HRB & NHRB
✔ Residential & Commercial
Starts from
₹ 4 / sq.ft
Premium 3D Design Services
✔ High-quality rendering
✔ Perfect for planning & visualization
✔ Up to 3 design variations
Starts from
₹ 1500
Interior Design
✔ Basic Interior Consultation
✔ Complete Home Interior Design
✔ Premium Interior Design Package
Starts from
₹ 120 / sq.ft
Walkthrough Video
✔ Basic Interior Walkthrough
✔ Advanced 3D Walkthrough Video
✔ Exterior Walkthrough Video
Starts from
₹ 4 / sq.ft
Survey Work Charges
✔ Total Station Survey
✔ DGPS Survey (Differential GPS)
✔ Layout Marking & Setting Out
Starts from
₹ 5000
Features
What Makes Us the Preferred Choice for Approvals
5+ Years of Experience
We’ve handled approvals, drawings & documentation for hundreds of projects — from villas to townships.
CMDA & DTCP Certified Engineers
All drawings & submissions are handled by registered engineers. Fully rule-compliant.
Fast & Hassle-Free Process
We know the system. We deal with authorities.
Transparent & Affordable Pricing
No hidden charges. Fixed pricing for drawings & documentation.
State-Wide Coverage
We work across Tamil Nadu — Corporation, Municipality, Town Panchayat & Rural Panchayat.
End-to-End Support
From Pre-DCR to final Completion Certificate — we stay with you until the project is approved.
Testimonials
Hear from our clients about their experiences
Cassinil handled the entire CMDA approval for my G+2 house. No follow-ups, no confusion — everything was done smoothly and on time. Highly recommend their service.
Suresh K
Velachery, Chennai
We needed layout approval for a 30-plot site in Thiruvallur. Cassinil took over the process completely and got the DTCP approval faster than expected.
Rajesh Real Estates
Thiruvallur
Their Pre-DCR and eDCR drawings were accurate and rule-compliant. It helped us avoid multiple revisions and saved a lot of time.
Prakash
Project Engineer, Tambaram
I needed self-certification for an S+1 building. Cassinil made it so easy — drawing, submission, approval, all under one roof.
Lakshmi Priya
Madipakkam
We struggled with Completion Certificate follow-ups for months. Cassinil stepped in and handled everything.
Jagan
Civil Contractor, Avadi
Their 3D interior design helped us visualize the entire house before construction. Saved us from making expensive changes later.
Anitha & Pradeep
Coimbatore
Start Your Building Approval Process with Confidence
Cassinil is your trusted partner in getting building approvals from CMDA to DTCP. Whether it’s a single home or a large layout, we provide complete support with precision and expertise.
Contact Us
Get in touch with us for your home
Trusted
Partner In
Building Plan
Approvals
Across
Tamil Nadu
About
Streamlined Approval Services You Can Count On
Redefining the way you get building approvals
Cassinil combines engineering expertise and regulatory knowledge to simplify building approvals. From accurate drawings to end-to-end documentation, we make every step efficient, compliant, and stress-free.
100+
Approvals Delivered
98%
Client Satisfaction
05+
Years of Experience
50+
Layouts & Reclassifications
01
Personalized approach
We understand every project is unique — whether it’s a layout, self-certification, or reclassification.
02
Expert guidance
With 8+ years in civil engineering approvals, our registered engineers guide you through every regulatory step
03
Seamless process
From land survey to final certificate, we streamline your approval journey — no more paperwork nightmares.
Services
Smart Engineering Solutions Backed by Experience
Building Plan Approval
Get building plan approvals from GCC, DTCP & CMDA with complete compliance. We handle the full documentation for smooth regulatory approval
Layout Approval
Layout design and approval work for all types of layouts across Tamil Nadu, whether it’s rural panchayat or urban municipality
Self-Certification
Certified engineers prepare self-certified building plan drawings — fast and cost-effective.
Completion Certificate
After construction, we assist with getting the completion certificate from DTCP & CMDA.
Pre-DCR & eDCR Drawings
We create pre-DCR / eDCR drawings for HRB (High-Rise Buildings) and NHRB (Non High-Rise Buildings), for both residential and commercial projects.
Submission & Approval
We submit plans to the relevant authority (CMDA / DTCP / Panchayat). We coordinate during review and respond to feedback
3D Design Services
We submit plans to the relevant authority (CMDA / DTCP / Panchayat). We coordinate during review and respond to feedback
Pricing
All pricing includes drawing, documentation & support until approval.
Self-Certification Approval Drawing
✔ Fast processing
✔ DTCP / CMDA compliant
✔ Ideal for individual houses
Starts from
₹ 1500 /-
CMDA Pre-DCR Drawing
✔ HRB & NHRB
✔ Residential & Commercial
✔ Accurate rule-based planning
Starts from
₹ 0.60 / sq.ft
Single Window Approval Drawing
✔ Best for CMDA areas
✔ Includes corrections
✔ Quick submissions
Starts from
₹ 2000
Scheme Drawing (Layout Approval)
✔ Fast processing
✔ DTCP / CMDA compliant
✔ Ideal for individual houses
Starts from
₹ 1.50 / sq.ft
Detail Estimate
✔ HRB & NHRB
✔ Residential & Commercial
Starts from
₹ 4 / sq.ft
Premium 3D Design Services
✔ High-quality rendering
✔ Perfect for planning & visualization
✔ Up to 3 design variations
Starts from
₹ 1500
Interior Design
✔ Basic Interior Consultation
✔ Complete Home Interior Design
✔ Premium Interior Design Package
Starts from
₹ 120 / sq.ft
Walkthrough Video
✔ Basic Interior Walkthrough
✔ Advanced 3D Walkthrough Video
✔ Exterior Walkthrough Video
Starts from
₹ 4 / sq.ft
Survey Work Charges
✔ Total Station Survey
✔ DGPS Survey (Differential GPS)
✔ Layout Marking & Setting Out
Starts from
₹ 5000
Features
What Makes Us the Preferred Choice for Approvals
5+ Years of Experience
We’ve handled approvals, drawings & documentation for hundreds of projects — from villas to townships.
CMDA & DTCP Certified Engineers
All drawings & submissions are handled by registered engineers. Fully rule-compliant.
Fast & Hassle-Free Process
We know the system. We deal with authorities.
Transparent & Affordable Pricing
No hidden charges. Fixed pricing for drawings & documentation.
State-Wide Coverage
We work across Tamil Nadu — Corporation, Municipality, Town Panchayat & Rural Panchayat.
End-to-End Support
From Pre-DCR to final Completion Certificate — we stay with you until the project is approved.
Testimonials
Hear from our clients about their experiences
Cassinil handled the entire CMDA approval for my G+2 house. No follow-ups, no confusion — everything was done smoothly and on time. Highly recommend their service.
Suresh K
Velachery, Chennai
We needed layout approval for a 30-plot site in Thiruvallur. Cassinil took over the process completely and got the DTCP approval faster than expected.
Rajesh Real Estates
Thiruvallur
Their Pre-DCR and eDCR drawings were accurate and rule-compliant. It helped us avoid multiple revisions and saved a lot of time.
Prakash
Project Engineer, Tambaram
I needed self-certification for an S+1 building. Cassinil made it so easy — drawing, submission, approval, all under one roof.
Lakshmi Priya
Madipakkam
We struggled with Completion Certificate follow-ups for months. Cassinil stepped in and handled everything.
Jagan
Civil Contractor, Avadi
Their 3D interior design helped us visualize the entire house before construction. Saved us from making expensive changes later.
Anitha & Pradeep
Coimbatore
Start Your Building Approval Process with Confidence
Cassinil is your trusted partner in getting building approvals from CMDA to DTCP. Whether it’s a single home or a large layout, we provide complete support with precision and expertise.
Contact Us
Get in touch with us for your home
V. AJITHKUMAR B.E., (REGISTERED ENGINEER)
CMDA Reg. No. RE/Gr ll/2022/06/205. DTCP Reg. No. RE/Gr II/034/2024.
GCC Reg. No. RE306232021.
© 2026 Cassinil Civil Engineers. All rights reserved.
V. AJITHKUMAR B.E., (REGISTERED ENGINEER)
CMDA Reg. No. RE/Gr ll/2022/06/205. DTCP Reg. No. RE/Gr II/034/2024.
GCC Reg. No. RE306232021.
© 2026 Cassinil Civil Engineers. All rights reserved.
V. AJITHKUMAR B.E.,
(REGISTERED ENGINEER)
CMDA Reg. No. RE/Gr ll/2022/06/205. DTCP Reg. No. RE/Gr II/034/2024.
GCC Reg. No. RE306232021.
© 2026 Cassinil Civil Engineers. All rights reserved.