Not only Sachin... there were many cricketers who learnt their trade there... some of the famous one are (in alphabetic order)

Aavishkar Salvi
Abey Kuruvilla
Ajinkya Rahane
Ajit Agarkar
Ajit Wadekar
Ashok Mankad
Bapu Nadkarni
Chandrakant Pandit
Chandu Borde
Dattu Phadkar
Dilip Sardesai
Dilip Vengsarkar
Eknath Solkar
Farokh Engineer
Gulabrai Ramchand
Jatin Paranjpe
Karsan Ghavri
Lalchand Rajput
Madhav Apte
Madhav Mantri
Paras Mhambrey - My class mate... :-)
Polly Umrigar
Pravin Amre
Raju Kulkarni
Ramakant Desai
Ramnath Parkar
Farokh Engineer
Ghulam Parkar
Gulabrai Ramchand
Gundibail Sunderam
Jatin Paranjpe
Karsan Ghavri