Kindly clear those doubts and give some suggestions

Priyadarshan Choursiya Best Answer

first thing is that if you are not able to find from which topic the given question is come, it means that there is lack of practice, you have to do more and more practice. try every question 2-3 times of all the eduncle sheet and samvedna books, and read carefully related topic regularly (it means revise within few days). for your second question my answer is that first you have to study such important topics by which you got selected and then go for other topics. when you practice more and more then you generate shortcut by yourself like when you have to skip calculation, when you use some result directly (which you read in some question). instead of read many books you first complete your syllabus from eduncle and samvedna books, otherwise you are getting loss. there are some standard books,but they are useful for you when you complete your syllabus and you have sufficient time. you can Google them. or some books I like are--;; 1 Linear Algebra for IIT JAM Mathematics Samvedna publications 2 group theory by Gallian, dummit andfoote. 3 Integral Calculus Gorakh Prasad 4 A text –Book of Vector Calculus Shanti Narayan 5 Introduction to Real Analysis R. G. Bartle and D. R. Sherbert 6 Differential Equations G.F.Simmons 7 Differential Calculus Gorakh Prasad, ode by md raisinghania. but you have to Understood that these books helps you when you complete your syllabus and you have enough time to read them, otherwise you got distracted, and frustrated