hi,

see the college you have tagged Jawaharlal Nehru Engineering College has no diploma in engineering course. the list of government college name which offers diploma in chemical engineering is as follows:

VJTI Mumbai - Veermata Jijabai Technological Institute

SLIET Longowal - Sant Longowal Institute of Engineering and Technology

DDU Nadiad - Dharmsinh Desai University

Government Polytechnic, Thane

Karnataka Government Polytechnic, Mangalore

Assam Engineering Institute, Guwahati

you may check the official site to get admission updates, also you can mention the college name in comment section so that we can do research and help you with necessary information.