Answer
Ratan Tata's biological father was Naval Tata, who was born in 1894 in Mumbai, India. Naval Tata was the eldest son of Jamsetji Tata, the founder of the Tata Group. Naval Tata was a successful businessman and philanthropist, and he served as chairman of the Tata Group from 1938 to 1958. Ratan Tata was born in 1937 to Naval Tata and his wife, Simone Tata.