See, a rule is there that works all around the gLobe, Quality comes when you pay plenty money.
Private coachings are not cost effective but you will really get all your concepts and doubts cleared if you are keen in the class. If not, only your concepts will be fine.
Classes at ICAI are not that qualitative, so i suggest go for private coaching with passionate self study too. Dont over burden urself with classes, as maximum students do this mistake. take only two calsses a day. Only two (4hrs + 4hrs) time span.
Rest is ur choice. At good private classes, u will get unmatched quality of knowledge. BELOW ARE BEST TUTORS AND THE WEBSITES FOR DELHI BASED COACHING.
CA AJAY JAIN - TAXATION (WWW.CAAJAYJAIN.COM)
CA ASHISH KALRA - COST/ FM (WWW.IGPINSTITUTE.ORG)
CA PARVEEN SHARMA - ACCOUNTS (BOTH GROUPS) {WWW.ETENCA.IN}
CA MUNISH BHANDARI - LAW(www.BRIGHT PROFESSIONALS.COM)
CA SURBHI BANSAL - AUDIT (www.BRIGHT PROFESSIONALS.COM)
P S RaTHORE - STRATEGIC MANAGEMENT {WWW.PSRATHORE.COM}
DINESH MADAAn - Information Technology {WWW.ETENCA.IN}
Remeber, no coaching classs can make you pass ur exams untill u study urself too.
GoodLuck