Government & Defence Entrance Exam

Here are few books for UGC NET:
1. Truemans UGC NET/SLET General Paper IAuthor: M. Gagan (Author), Sajit Kumar (Author)
2. UGC NET/JRF/SLET General Paper-1 Teaching & Research AptitudeAuthor: Arihant express
3. CBSE UGC NET/SET/JRF Paper 1: Teaching and Research AptitudeAuthor: KVS Madaan (Author)
4. UGC NET/SET Paper 1Publisher: McGraw Hill Education

Yes, you can go for UPSC exam after your B.Pharmacy as this is also a graduation degree and after this you can appear for the exam of UPSC.

Yes, if you are determined and have studied well then you can crack it. It is an exam conducted by railway so there is a lot of GK and mental ability.

As you are studying in Diploma CS branch, it is quite tough to be an engineer in railway as in railways there is less scope of computer engineer but you keep on trying as some post of booking ticket and cashier are came for it.

Hello Rajendra,
Patwari Exam is only for the applicants who possess a degree of Bachelor in any discipline from a recognized university and this is a Diploma course, not graduation, so you can't.

Hello Raj,
Here you will find all the post of navy in the link provided:
https://en.m.wikipedia.org/wiki/Naval_ranks_and_insignia_of_India