In which year was the National Committee on Environmental Planning and Coordination (NCEPC), that gradually evolved and became a full-fledged Ministry of Environment and Forests in 1985, formed?

The National Committee on Environmental Planning and Coordination (NCEPC) was established by the Government of India in $1972$, shortly after the Stockholm Conference. It was set up to plan and coordinate environmental safeguards and policies, later evolving into a full ministry in $1985$.