Bachpan Ke Din Bhula Na Dena

Lata Mangeshkar
Shamshad Begum

The song is from the movie Deedar (1951). It was sung by Lata Mangeshkar and Shamshad Begum. The lyrics are written by Shakeel Badayuni. The music director is Naushad. This song is picturized on Dilip Kumar and Nargis.

Na Jaane Kahan Tum The, Na Jane kahan Hum The

Manna Dey
Suman Kalyanpur

The song is from the movie Jindagi Aur Khwab (1961). It was sung by Manna Dey and Suman Kalyanpur. The lyrics are written by Kavi Pradeep, whose real name is Ramchandra Narayanji Dwivedi. The music director is Dattaram Wadkar who also served as assistant to the legendary duo music composers Shankar-Jaikishan. This song is picturized on Rajendra Kumar and Meena Kumari, who as born as Mahjabeen Bano.

Yeh Nayi Nayi Preet Hai

Lata Mangeshkar
Talat Mahmood

This is one of my favorite duets from my science college days. The song is from the movie Pocket Maar (1956). It was sung by Talat Mahmood and Lata Mangeshkar. The lyrics are written by Rajendra Krishan and music is composed by Madan Mohan Kohli. It is picturized on Geeta Bali and Dev Anand. 

Zindagi Khwab Hai

Salil Chowdhury

This song is from the movie Jaagte Raho (1956). It is sung by Mukesh Chand Mathur, commonly known as Mukesh, picturized on Motilal Rajvansh. The music is composed by Salil Chowdhury and lyrics were penned by Shailendra.