Noida

Dear
As per your query for B.tech-Aerospace the eligibility:
10+2 (Min 55%) with PCM & English plus JEE Mains score is 30 but that is as per last year's cut-off. For this year's JEE Mains cut-off, you can contact Admission help line in the month of May 2017 through your NIOS 12th certificate. You can apply for Amity School of Engineering which is affiliated to CBSEJEE.
All the best.

Among your choices, AKG is a better choice for B.Tech CSE based on college's reputation, ranking and placement records.

There are lots of colleges available. To find the best college you can refer to below links which will give you comparison of college in your area:
https://www.shiksha.com/compare-colleges
https://www.shiksha.com/mba/resources/college-reviews
https://www.shiksha.com/mba/colleges/mba-colleges-in-india

GLBIMR is way better for scholarship and placements scenarios, indepth details about highest, average and minimum salary mentioned below:
https://www.shiksha.com/getListingDetail/29028/institute/college-G-L-Bajaj-Institute-Of-Management-And-Research-Glbimr-Greater-Noida-India

Symbiosis Centre for Management Studies (SCMS) is a leading institute in Pune for BBA. Acceptance of SCMS Pune in market is better in comparison to SCMS Noida.

Admission in JSS Noida for engineering degree courses is based on the results of UPSEE conducted by Dr A.P.J. Abdul Kalam Technical University, Lucknow (Uttar Pradesh). You may apply online for UPSEE 2017. Admission application process is currently on and us open till 5th March 2017.

Dear Shankar G,
The following web link can provide the information you are looking for:
https://www.shiksha.com/mba/ranking/top-mba-colleges-delhi-ncr-accepting-cat/2-0-0-10223-305.
All the best.

You should try to score above 150 marks to increase your chances.
Best of luck.