Hello

First, MTech Environmental Engineering DTU is a part time-classroom 3 year course. The total fees of the course is about 1.20 lakh and it provides good placement opportunities at Adobe, Amazon.com,Apple , Google , Microsoft,Samsung , United Health Group etc.

Second, there were no result sof environmental engineering mtech in amu hence I am assuming you meant Zakir Husain College of Engineering and technology. It is two year course. The average salary after placement here is lesser than through DTU (around 3 lakh) and the fees for 1st year is around 15 thousand rupees.

Third, in JMI  Mtech in environmental engineering is a 3 year course (part time classroom). You can get more details at https://www.jmi.ac.in/upload/programme/cs_fet_ci_mtech-env.pdf . All the best.