" Foolo ki Ranga Se, Dil Ki Kalam Se" wasthe first of its kind in Hindi filmdom in that it was in chaste Hindi, not a word of Urdu!! Am I right? Khabardar, the very line you wrote has urdu words in it.... "Dil" is very much a urdu word.. The chaste Hindi word for heart would be "mann" or "hridaya" .... Though "kalam" is Urdu too, I am not sure if Hindi has an exact word for pencil...