The baby was born Friday.
"Hey guys so yday was one of the most memorable days. My masi @TejuKolhapure delivered a beautiful baby girl," Shraddha tweeted Saturday.
The newborn's arrival has spread cheers in the family.
"I have a lil sister!! The whole family is craaaazy with joy! Will post a pic soon," added Shraddha, who is the daughter of Shakti Kapoor and Tejaswini's sister Shivangi, tweeted.
Meanwhile, the "Ek Villain" actress is upbeat about taking to the stage at the Filmfare Awards here Saturday night.
"Guess who is performing for the very first time at Filmfare tonight! ME!!! Soooo excited! Woooo! #FilmfareAwards2015," she added.