I would recommend you to directly approach the polytechnic you are interested in if they have vacancy or not. You can even mail them to ask the same.

I m pursuing ma BE in the stream of computer science n I want a job of lecturer in a polytechnic in ma domain itself n I want it in mysore bcz dtz near 2 me

In this hectic world why not try simple.
Visit LinkedIn or any other related website. There you can get hired easily.
Make your account and get started.

Thank you.

Could you please provide the state u r from, we can surely help you further.

IN my college have vacancy for senier prof.

Hi 
Plz try searching on linked in , nauri.com ,indeed.com and some other jobs provided sites .surely they will provide u a chance to get your job.
Thanks

https://www.naukri.com/assistant-professor-computer-science-engineering-jobs

You can find vacancy near you pretty easily as in the classifieds and educational columns. People usually prefer job which are convenient  to them.
Else you can try in our college Rayat Bahra Institute of Engineering and Nanotechnology Hoshiarpur Punjab

MANUBZR5

You can try at our college
Institute of aeronautical engineering, dundigal, Hyderabad.

Hello there.
In my college, no. You might want to try here . I hope this helps. Good luck!

Hey, I appreciate your effort of posting your question. But we could help you more effectively if you make your question more clear and accurate. Please mention things like where you would prefer to take a job, what are your qualifications and percentages, how much experience you have and where have you worked recently and even what all skills you have. We will help you out as much as possible.

Thank you.

for that please mention your qualifications

Please give your educational qualifications, the field and the specializations in the field of the subject you are willing to teach so that we can help you out asap.