background music wid anjali?

hello every1. can sum1 plzzzzzz tell me the name of the background music which keeps playing everytime anjali remembers kavya? remba wen shaurya and anjali were in the studio and anjali saw kavya as her imagination and shaurya went 2 c what was der but nothing was der? and anjali was smiling. n in da episode where bauji stop eating parathas and wen dey put kavyas picture back up on the wall? they played the song again when she put that thing around the picture. can sum1 plzzz plzzz plzzz tell me which fil that songs from.😳 the song goes like this "na jaana koi, kaisa hai yeh zindaganii, zindaganii, humaree" (sorry for bad spelling) neway it goes lyk dat so cud sum1 plzzz tell me. i appreciate it. thanx 😊