hi lalit , Am also an ipcc student. according to me time allotin is not an important factor .Its not hw much tym u study is imp , its wat u study...........wen ever u study do it whole heartdly and clearly . understand the concepts cleary . CA is all about concepts. If u knw the concepts u'll never fail. 
      I strictly recommend u to follow the study material. Dnt go for ny othr book . If u covr d study material well u'll surely crack ipcc. 

bst wshs 
regards , 
Arun Anton Ashok 

HAPPY TO HELP