Coaching cles for MBA in mumbai???

i have completed by electrical engineering from VJTI.....will b joining TCS......i wanted 2 know,which1 is a better coaching centre-ims or time???? and that i will b doing it along with my job....should i go 4 a correspondence course material or join the batch which has lectures only on sundays??? also since i can join the cles only after my training which will b say in the month of october or november.....and by d time the batches would have already dtarted...so, will correspondence b better??