SirIs it sufficient to study and practise the study materials and practise sheets provided by my coaching instiution or do i need to refer to other books for cracking JEE?

Dear sahul muhique,

Yes.I hope this is sufficient to crack JEE but please do study in depth the concepts ..!!

If your Study material gives in-depth concept clearance then it is well & good but if it does not give you that then you should go for reference books to completely clarify your doubts(must) ..

Concept clearance is must for cracking JEE because more than one concept gets involved in cracking a single problem so you have to be crystal clear in that ..

Hope you understand what you mean...

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Sahul it depends on how u solve the question..

Studying for iit doesnot mean solving 2 many questions

its actually getting thorough with the concepts, etc. if one book( i.e. study material) is sufficient then go for it..

If not then solve one more book( but not more than that). Further solving will kill ur tym.

But be through with ncerts especially chemistry..

BEST OF LUCK!!!!!!!!!!! 

Plzzzz approve my answer !!!!

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