Haanikaarak Bapu - Dangal fam Sartaz Khan Barna a young boy .. wow what a lovely performance in "Haanikarak Bapu" singing live "Mai Tenu Samjhawan" song from "Humpty Sharma Ki dulhaniyaan" br br Haanikaaarak Bapu - Sartaz Khan Bapu must watch link is - br br The song has been composed by Pritam and sung by Sarwar Khan and Sartaz Khan Barna. The lyrics have been penned down by Amitabh Bhattacharya.