if you practice the subject seriously you can definitely crack jee without classes. there are many all india top ranks who have prepared themselves.

all the best

be careful with organic chemistry. go through ncert books for organic.

all the best,

regards,

pranay 

if u r genius......dont take any coaching classes otherwise u take coaching class.....for clear doubts n understand concepts

IF YOU HAVE A DETERMINATION AND KEEN TO CRACK IT   THEN YOU DEFINITELY CAN DO IT..........

THINK POSITIVE..............................

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