Alia Bhatt's real mother is Soni Razdan.
Soni Razdan, also known as Soni Mahesh Bhatt, is a British actress and film director who primarily works in the Indian Hindi-language film industry. She is married to renowned Indian film director Mahesh Bhatt. Being part of the Bhatt family, a prominent family in Indian cinema, she is widely recognized as the mother of the celebrated actress Alia Bhatt.
In summary, the biological mother of actress Alia Bhatt is Soni Razdan, a well-known actress and director herself.
