Dev's granddaughter, adopts orphan Suraj, marries Gopal, wrongly accused of an affair with Suraj, exiled from her home, and ultimately reunited with her husband after the misunderstanding is resolved.
Dev serves as the grandfather and primary caregiver for Radha.
Laxmi is the biological mother of Radha.
Radha and Prashant are brother and sister.
Radha and Suraj share a close, platonic sibling relationship.
Explore the full interactive character relationship map of Hum Tumhare Hain Sanam