Part Time

Finance and Marketing are the popular ones which are chosen by 2-year work-ex people. Operations is also a good option if you are interested in maths and have an engineering background. From pay scale perspective finance is a better option. At the end, you must look at your work exp, prior academic

Check the link below and choose college according to your location preference and filter good colleges according to the reviews:
https://www.shiksha.com/it-software/colleges/part-time-mca-colleges-india

No university in this world offers part-time engineering degree. You must have to go regular (full-time) in campus for engineering.

Refer this link to know the institutes providing distance M.Tech.
http://googleweblight.com/i?u=http://wap.clickindia.com/d.php?id=132804200&grqid=0ulsvT-H&hl=en-IN

Hello Rohit,
You can not jump from one branch to other when seeking to to do graduation after diploma.

Diploma in Cyber Law
Cyber law is the 'law governing cyber space'. In today's highly digitalized world, everyone is affected by the cyber law.
Diploma in Cyber Law is a 6-month distance mode course conducted by Government Law College, Mumbai and Asian School of Cyber Laws.
This course is recognised by

Hello Rohit,
Aah, it's great to know that now you want to do another Diploma in different field. It's a good thought. But perhaps it would be better if you can think of doing graduation in mechanical.

You basically need to apply through Anna University Counselling.