You can consider below names -
NCERT Books for 10th & 12th standard Science & Mathematics
Aptitude Problems in Physics by S.S Krotov
Algebra Made Easy by K.P Basu
IIT Chemistry by O.P Aggarwal
English Comprehension by Arihant Publications
An Objective approach to English Literature by Ivan K. Masih
B.S.E

helo aspirant, its good that you want to prepare for civil servixes but make sure be patient and confidnen. You would face many difficulties during this journey but just believe in yourself. Here below i have provided the link. Its the bool written by Mrs. Ila tripathi .she has explained

Assuming you are done with your syllabus and now you will be focusing on revision so you can consider below points -

Practicing previous question papers: It is always a good idea to go through previous years papers for it gives you a detailed idea of the type of questions

Here are some of the coaching centre in Kolkatta for SSC you can prefer.

Career Launcher

IBT Kolkatta

MIES

GATE 2018 Strategy should be well thought of as this will determine your GATE 2018 Score. So, here is a step wise list to tell you How to crack GATE 2018-

1. Determine your stream : This exam has some related categories but it is very important that you determine

Assuming your syllabus is completed and you are done with your sample papers and previous year papers as well so now keep the rest days for your online mock practice. Try to give more number of mocks full length and topic wise both, this will make you familiar with actual

Go through the NCERT book for physics. It is the most important book for Physics board exam of class 12. All topics in the syllabus for the exam are covered in the NCERT book. After you finish your syllabus, solve questions from CBSE sample papers and books like EXAM IDEA