While i am noone to give someone else advice,I think you should continue to believe in yourself.You are going strictly by the book i Think.I suppose you should go thru the specific books (MGMAT for SC,PowerPrep for CR ) and follow them strictly point by point.
Study in small compartments of tme and gauge ur improvement every hour in small batches of time.
I can see u r not very regular at gmatclub.Stay on the Forum and try to be active.
My Post Invites Discussions not answers
Try to give back something to the Forum.I want your explanations, right now !
Please let me know your opinion about the Chandigarh Gmat Centrehttp://gmatclub.com/forum/gmat-experience-at-chandigarh-india-centre-111830.html