Rishika was born on 8 June,1987 in Ahmedabad,India. She has a sister Muskaan Mihani, who is also a television actress.
She has worked as an airhostess for Kingfisher Airlines, after which she started her acting career. She started her career with Star Plus serial Raja Ki Ayegi Baraat. She has done episodics for Adaalat, C.I.D., Aahat, Savdhaan India @ 11, Beend Banoongaa Ghodi Chadhunga and Love Marriage Ya Arranged Marriage.