evidence: T. PADMANABHAN TRAN: MADHUKAR PUTTY - THE KIND DOCTOR - SUDHA MURTY P.K.NANAVATI - MY MAGIC SCHOOL - DR. ABHAY BANG WONDERFUL SCHOOL EXPERIENCE - ARVIND GUPTA TOYS - COLLATED BY PRAKASH SCIENCE ACTIVITIES RESOURCE - DIVASWAPNA - GIJUBHAI BADHEKA EDUCATIONAL CLASSIC - HOW YOU BEGAN - A. W. ELLIS STORY OF EVOLUTION - SCIENCE SKILLS AND THRILLS - ARVIND GUPTA SCIENCE ACTIVITY BOOK - STORY OF SOLAR ENERGY - ARVIND GUPTA - SCIENCE FROM SCRAP - ARVIND GUPTA SCIENCE ACTIVITY BOOK - MATCHSTICK MODELS AND OTHER SCIENCE EXPTS - ARVIND GUPTA SCIENCE ACTIVITIES - TOY BAG - ARVIND GUPTA SCIENCE ACTIVITY BOOK - TEN LITTLE FINGERS - ARVIND GUPTA PUBLISHED BY THE NBT - BRIGHT SPARKS - ARVIND GUPTA PUBLISHER - NAVKARNATAKA - STORY OF ASTRONOMY - ARVIND GUPTA PUBLISHER - NAVKARNATAKA - MY DREAM SCHOOL - DR. ABHAY BANG TRANSLATION - P.K.NANAVATI - STORY OF ASTRONOMY - UDAY PATIL TRANSLATION - PROF. VISHWANATH (NAVKARNATAKA)