Karishma Manandhar was born on 9 June 1974 in Jharuarashi, Lalitpur. She did her schooling from Subhatara School. She made her acting debut at the age of 14 from the movie Santaan (2042 B.S) opposite to Bhuwan K.C.
Born to the mother Komal KC in Jharuarashi of Lalitpur on 9th June 1974, the real name of Karishma is Bunu. She had just turned fourteen years when she did her first movie ‘Santaan’ opposite to Bhuwan KC in 1988. It was then that she changed her name from Bunu to Karishma and soon she became popular as Karishma. After playing her role in Mayalu, Karishma realized that she must get training if she is to make her career as an actress. So, she visited Mumbai and took training under well-known actress Madhumati to enhance her acting skills where she got an opportunity to play in the movie Choron Ki Barat which was directed by acclaimed director Sunil Agnihotri. She was also signed in to play in an Indian movie – Dangaa Fasaad. Later, she decided to establish her name in Nepali film Industry and returned back to Kathmandu. She was approached by cinematographer Gauri Shankar Dhuju for brand advertisement. Later, Dhuju introduced Karishma to Binod Manandhar. Karishma signed in to play as a lead actress in the movie Kasturi that was being directed by Binod Manadhar and it was then that the two of them met. Karishma met Binod at the sets of movie Kasturi and then the two of them began to see each other. When both of them were sure that they were the right partner for each other, Karishma Married Binod Manandhar. Karishma left Nepal and went on to live in Baltimore, USA for few years but she missed Kollywood and returned to Nepal where she continued to play in movie.