Rawan le derai atyachar gareko thiyo bramin haru lai. sapt risi lai kora le hanera nikaleko ragat rawanko buri le piucha ani she gets pregnent. ani tyo bachha jamin ma gadcha ani later janak le halo bata Sita paucha re. i saw it once in a TV serial(there are many versions of ramayan ni). ani shiva parvati ko lanka darbar ma aayeko rawan/kuber ko dad ho, not rawan. parvati curses him.