Hi, I'm a 4th year engg. Student of electrical and electronics branch in Delhi(India).
I'm not economically very strong, but I'm very hardworking boy. I'm unbale to get a coaching for GATE exam, so can anyone tell me that which books and other text materials should I buy to study at home by myself. My concepts are very much clear. Your help will be heartily appreciated. Thanks

Wouldn't your professors be more likely and able to provide you with this information?

Very very thanks sir.
I really forgot those friends (prof.) , in this race of coachings.