Shamika was born in Ratnagiri to Entrepreneurs Shrikant and Rashmi Bhide who are running business of Konkani food products.
In the school days Shamika started contesting in so many competitions in district level and won awards too.
[citation needed] Her talent was showcased to the world and Ratnagiri was represented globally when she participated the enormously popular reality show, Sa Re Ga Ma Pa Marathi Li'l Champs aired on Zee Marathi Channel from July 2008 to February 2009.
Shamika displayed her versatile vocal talent by singing a wide variety of songs in the competition.
After the end of competition, she appeared for examination in Music at Shruti Ambekar and now she is taking coaching under the able hands of Well known Vocalist Mrs. Ashwini Bhide-Deshpande.