Prin. L. N. Welingkar Institute of Management Development and Research, Mumbai

Hello, your academic score is very good. In the selection process, the maximum weightage is being given to this criteria. Apart from that your work experience is your plus point. You have quite good chances of selection.
The parameter weightage is as under:-
Qualifying entrance test percentile -35%.
Academics (X,XII, Graduation and Post-Graduation) + Group Discussion and Personal Interview + Sports, Extra-Curricular activities awards and achievements at District, National, International level, Academic diversity etc.-65%.

You can post you query on below link
http://www.welingkar.org/Programmes/PGPeB.asp?br=0§ion=Programs.

Hello,
You can check the reviews at below link:
https://www.shiksha.com/college/universal-business-school-sion-mumbai-33323

No, not so much, but try for Welingkar-Banglore.

Search for online GD topics
Practice Mock GD's-PI's.

Hello,
Yes, you have good chance, try for it.

No, as such for 11 months no placement is seen.
For 2 years course placement is there.

Nirma,IMT-Nagpur,BIMTECH,LBSIM,Weschool,
IFMR.

Chances are good, depends upon your performance in GD-PI and your profile.

Hello,
Yes, it depends on your performance in GD-PI.