B.Tech Computer Science and Engineering

Well, both are inter-related to each other.But, you should opt computer science engineering.

First search out the companies of any sector in which you are willing to work. Then, take a look of what are the requirements they have been put there to recruit a person. I am sure you will get your answer then what to study along with your B.Tech in CSE.

Hello Sachin,
Bharati Vidyapeeth has earned very good name in the field of education world wide as also in India. My preference would therefore be to Bharati compared with AKGEC.

Hello Utkarsh,
These days, OBC students have started scoring quite well in exams. This is reflected in cutoffs declared also. I am giving you a link, please follow steps to guess which college you may get:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

Hello Umesh,
Both these private engineering colleges in Maharashtra are well known. May be DY Patil is slightly better known. I suggest you take admission in that college which is convinient to you.

Why not go for a wide scope and choose a good college for this? And for this, I would recommend UEM-Kolkata due to its overall performance including the placements.

Hello Digvijay,
As per your marks in JEE Mains, I fear you may not get any of the NITs, however, check the below-mentioned link for more insights:
https://www.resonance.ac.in/reso/news/JEE-Main-Branch-Predictor.aspx

If you have not appeared in JEE and other engineering entrance examinations, then you may have difficulty in getting admission in B.Tech. Your choices will be restricted to private universities or private engineering colleges which provide admission under management quota with enhanced fee.

Minimum 6 to 8 lacs.

You can try to get admission in NITs or IIITs of your home state.