M.Sc

Yes, you can refer to these books because exam questions will be taken from 11-12th and your graduation. So, prepare well. Good luck.

I am sharing a link, please visit this to get information about scholarship base colleges for M.Sc in microbiology
https://www.shiksha.com/science/articles/popular-bsc-msc-scholarships-in-india-blogId-13494
I hope this will help you!
Good luck.

Hello Aniket, The following are the top M.Sc. Environmental colleges in India :
1) Fergusson college, Pune
2) Sacred heart college, Ernakulam
3) IIHMR university, Jaipur
4) Barkatulla university, Bhopal
5) SS Jain subodh PG college, Jaipur
6) University of Lucknow, Lucknow
7) Bishop Heber college, Trichy
8) Guru nanak dev university, Amritsar
9) CUSAT, Kochi
10) Integral university, Lucknow
11) Central University of Jharkhand, Ranchi
12) Patna university, Patna
13) PSG college of arts and Science, Coimbatore
14) Jain university, Bangalore
15) Banaras Hindu university, Varanasi.

Admission to M.Sc in computer science program is both entrance examination based and merit-based. Certain universities like Delhi University offer both direct admission and entrance based admission to the program.
Universities like Delhi University and Savitribai Phule Pune University, conduct entrance examination for admission to M.Sc. Computer Science. The Entrance exam is of 2-3 hours duration and contains questions from Computer Science, Mathematics and English Language. The test paper may be of subjective and/or objective type.

Yes, you have to complete your undergraduate degree before you apply for Masters. But if you are still in your Final year Graduation and results awaited, then, in that case, you can apply for Masters entrance exam.

Yes, 11th & 12th is the basics of everything so try to get through your 11th and 12th syllabus. Not only M.Sc, it is important for most entrances. However, if you had cleared B.Sc. Then it must be obvious that your 11th and 12th is clear if not study the basics. Good luck.