When was the Environment Protection Act, 1986, last amended?

The Environment Protection Act of 1986 was last amended in 1991.

The year 1990 predates that amendment and is not correct.

The year 1992 comes after the actual amendment year.

The year 1993 is later still and does not match.

The Act is an umbrella law empowering the central government to protect the environment.

It was enacted in the aftermath of the Bhopal gas tragedy.