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SARK ENGINEERS & CONSULTANTS
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What Happens After You Receive an SPCB Notice?
Received an SPCB notice? This guide explains what happens next, how to review the notice, what documents to collect, how to check ETP/STP or air pollution control gaps, and how to prepare a structured technical response.

Dr. Anubhav Gupta
May 19 min read


CGWA Approval for Borewells: Groundwater Extraction NOC Explained
This guide explains the CGWA borewell NOC process for industries, infrastructure projects, commercial buildings and residential societies, including Bhu-Neer application steps, documents, hydrogeological reports, telemetry, water audits, recharge planning and state groundwater authority compliance.

Dr. Anubhav Gupta
Apr 27 min read


UPPCB Consent to Establish & Operate: A Guide for Uttar Pradesh Industries
A practical UPPCB CTE and CTO guide for industries in Uttar Pradesh. Learn when Consent to Establish and Consent to Operate are required, how to apply through Nivesh Mitra / OCMMS, what documents are needed, how renewal works, and how to avoid compliance gaps.

Dr. Anubhav Gupta
Mar 2621 min read


EIA Guidelines India 2026: Process, Documents, PARIVESH & Environmental Clearance
Environmental Impact Assessment is not just a report. For industrial projects, EIA and EMP quality depends on engineering data such as project capacity, process flow, water balance, wastewater load, ETP/STP/ZLD planning, emissions, fuel use, hazardous waste and mitigation measures. This guide explains EIA guidelines, environmental clearance, PARIVESH workflow, documentation and audit-readiness for industries in India.

Dr. Anubhav Gupta
Mar 1810 min read


STP & Sewage Treatment Rules for Housing Societies
Housing societies in India must treat their sewage before discharge—it's the law. This guide explains STP norms, CPCB effluent standards, NOC steps under the Water Act, and how RWAs in Uttar Pradesh and Haryana can stay compliant. Includes actionable FAQs and expert tips from Sark Engineering.

Dr. Anubhav Gupta
Feb 68 min read


How to Obtain a Consent to Operate (CTO) in Delhi NCR: A Step-by-Step Guide for Industries
A practical Consent to Operate guide for Delhi NCR industries covering DPCC, Haryana SPCB and UPPCB requirements. Understand CTO application steps, documents, consent validity, renewal timelines, late penalties, auto-renewal and compliance readiness for industrial and commercial units.

Dr. Anubhav Gupta
Jan 929 min read


Environmental Compliance Checklist for Housing Societies
From sewage treatment to water audits, this comprehensive guide helps Indian housing societies meet key environmental compliance norms. Learn how Sark Engineering supports RWAs with STPs, rainwater harvesting, waste management, and energy audits.

Dr. Anubhav Gupta
Jun 11, 20257 min read


Navigating Environmental Compliance: Your Essential Guide to Obtaining CTO in Haryana & Rajasthan
Unlock seamless environmental compliance in Haryana and Rajasthan. This comprehensive guide details the Consent to Operate (CTO) application process, regulatory checklists, essential documentation, and crucial timelines for HSPCB and RSPCB, ensuring your industry, commercial building, or residential society operates without a hitch.

Dr. Anubhav Gupta
Jun 8, 202525 min read
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