Veteran actress Asha Parekh said girls used to faint whenever actor Rajesh Khanna said the "Babu Moshai" phrase. "Do you know where his famous ‘Babu Moshai’ came from? It is actually a Bengali word. Raj Kapoor...used to call Hrishikesh Mukherjee Babu Moshai," she added. "That is why Hrishikesh Mukherjee gave the term Babu Moshai to Rajesh Khanna," Parekh revealed.