Who is Ashok Ghosh from Sister of My Heart and what is their importance?

Ashok Ghosh is the man that Sudha meets in the movie theater and falls in love with. Although his family is wealthy, they are wealthy because they are laborers. One day Singhji slows the car as he carries the girls to school and allows Sudha and Ashok to talk. Ashok gives Sudha a diamond ring.