Mumbai

You can go with 1st option.

Hello Satyam Vishwakarma, I am attaching a link that will give you all the required information. https://www.shiksha.com/it-software/networking-hardware-security/colleges/cyber-security-colleges-Mumbai-all
Best wishes to you.

Yes, you can use it.

IIDE Mumbai is better.

Dear it all depends upon the cutoff of the college.

The following are the top engineering colleges that offer admission to Polytechnic Diploma holders through lateral entry scheme:
Guru Nanak Dev Engineering College, Ludhiana. DAV Institute of Engineering and Technology, Jalandhar. Government College of Engineering, Pune. Guru Tegh Bahadur Institute of Technology, Delhi.

Year of establishment- 2006
Total number of seats- 1200+
Salary offered (2019)-
Average - INR 7.56 LPA for MBA-Tech
Highest- INR 25 LPA for MBA-Tech.

Here is the list of colleges-
Amity University - Mumbai, Mumbai.
Shri GPM Degree College of Science and Commerce, Mumbai.
Dr BMN College of Home Science, Mumbai.
Success Assured Institute, Mumbai. I
ndian Management Institute (IMI), Mumbai.Regal College of Technology, Mumbai.
Aptech Computer Education - Mumbai, Mumbai.

1. VNIT Nagpur- Visvesvaraya National Institute of Technology27
2. Shri Ramdeobaba College of Engineering and Management113
3. Yeshwantrao Chavan College of Engineering139
4. GH Raisoni College of Engineering.

Location would be your home address.