You may try this keyword on google to find more information about Gnan Srishti School.
Keyword : "gnan srishti school review" from the online digital footprint anlaysis perspective; they seem to be having a good standing. :-)
Apart from Floretz in HSR Layout; the link lead me to another montessori named Dots Montessori try them too. They too have a good a standing on digital medium and fee seems to be nominal compared to others.
Link : www.dotsmontessori.com | Blog :
.blogspot.in/ All the best