Mamtha is a cancer survivor, and has battled Hodgkin's lymphoma from 2010.
She is the brand ambassador along with actress Bhavana for the team Kerala Strikers for the Celebrity Cricket League (CCL) held in 2013, captained by Mohanlal, who is also one of the owners of the team, and vice-captain Indrajith.
She has won several accolades including two Filmfare Awards South, for Best Female Playback Singer in Telugu in 2006 and for Best Actress in Malayalam in 2010 and also Kerala State Film Awards for Best Actress in 2010.
