Born to Colonel Ajay Kumar Sharma, an army officer and Ashima Sharma, a homemaker, in Uttar Pradesh. She has an elder brother, Karnesh Sharma who is a film producer. He had also served in the mechant navy. He also played for the under-19 Bangalore Ranji cricket team. Anushka studied in the Army School and received a degree in arts from Mount Carmel College, Bangalore.