Beetay huay kuchh din aisay hayn, tahnhai jinhen dohrati hay.. was a famous song by Mehdi Hassan in film Tumhi Ho Mehboob Meray (1969). This famous song was written by Ehsan Danish who was one of the best poet in Urdu language - despite the fact that he could not continue his study after fourth class due to financial reasons!
Ehsan Danish was awarded Sitara-e-Imtiaz and Nishan-e-Imtiaz for his great work in Urdu literature.
He died on March 22, 1982.