Complex sentence: He is most famous for appearing in the television works of Ramanand Sagar, beginning with his most famous role as Lakshman in "Ramayan" and followed by smaller roles in "Vikram aur Betaal" and "Dada-Dadi Ki Kahaniyan".
Split into simpler sentences: He is most famous for appearing in the television works of Ramanand Sagar, beginning with his most famous role as Lakshman in "Ramayan". Before Ramayan he appeared in some stories of "Vikram aur Betaal" and "Dada-Dadi Ki Kahaniyan".