Tum Ko Dekha lyrics

tum ko dekha to ye khayaal aaya zindagi dhoop tum ghana chaaya aaj phir dil ne ik tamanna ki aaj phir dil ko humne samjhaaya tum chale jaaoge to sochenge humne kya khoya humne kya paaya hum jise gunguna nahin sakte waqt ne aisa geet kyoon gaaya