Part Time

Loyola Institute of Business Administration
ASM's Institute of Business Management and Research, Pune
Park Global School of Business Excellence, Coimbatore

Global Access School for Continuing Education (NGA-SCE)
Institute of Management Technology, Centre for Distance Learning
Symbiosis Center for Distance Learning

Hello Albert,
Only a few colleges offer part-time courses in MBA ( master of business administration ) in Trivandrum. For those, you may refer:
https://www.shiksha.com/mba/colleges/part-time-mba-colleges-thiruvananthapuram

1 year executive MBA is a good option, as you have a work-ex of 3 years. Generally 2 year full-time program is suitable with 1-2 year work-ex. You can look for 1 year programs offered by IIMs, GLIM, ISB, SP JAIN.

Hi,
There are the top theatre schools of India:
http://blog.stageculture.com/theatre/5-best-theatre-schools-of-india/

Government Law College | Churchgate, Mumbai.
This is the only college with part time courses

You may join a short term Diploma for the same which can be completed during your holidays after your school hours. Various institutes provides courses of varying duration you may pick one convenient to you.