You can follow Dc pandey
Or Cengage, these are some best reference books available.
Just study a chapter and solve it's excercise.
If you have any doubts then consult with your friends and teacher.
You can also solve from HC Verma .
And if you want to solve some advanced problems IE IRODOV would be the best book for you.
But at first follow one book ,clear your concepts and then solve the excercise,then you can move to other book.
All the best