- Birthday: 11. January 1946
- Birthplace: India
Mahendru was briefly engaged to cricket player Gary Sobers.
Mahendru was a long steady girlfriend of the phenomenal superstar of 60's Rajesh Khanna who walked out on her to marry beautiful teen Dimple Kapadia. She continued to be the eternal 'other woman' in superstar Rajesh Khanna's life. She was by his side when he died
Mahendru started modelling at the age of 13. She was discovered by poet and lyricist Kaifi Azmi who recommended her to Basu Bhattacharya. Basu cast her in Uski Kahani in 1966. Uski Kahani was the debut film for Mahendru as well as the first directorial venture of Basu Bhattacharya. She later went on to act in films such as Jewel Thief, Bandhan, Dastak. She never made it as a leading lady and moved to character roles.