Returning to India to bangalore need info

hello Ladies,
We are returning to india this April and I have 4 yr old son and 3 yr old daughter need to join them in school this june.
Please guide me which schools are best and in which area and also need info on cut of dates.
My son is born on Aug 23rd 2005 and daughter on sep 13th 2006
my son is indian born and daughter is US born.
Please give me info regarding admission last dates ,so that i can follow up soon.
Right now I don't no in which area we will reside ,but if you guys give me some info on the best schools will be very gratefull.

Thanks in advance
NAYA