Hello Jaideep,

Hope you are doing well. If your class 11th basics are not clear and you are targeting fot IIT, then it would be very difficult for you to crack IIT. But it's not impossible, you need to work hard in a certain manner. First you'll have to strengthen your basics after which you can start with the higher preparation. I prefer you to first complete your 11th syllabus and then move to the 12th syllabus. If you find any difficulties in understanding the concept then you can opt for different sites and YouTube. See videos of individual topic and make notes accordingly. If your aim is high you can join many institutions for IIT preparation like VMC, Fitjee, Chetanya, etc. All the best for your future champ.