U KNOW GUYS I THINK TAT NAIVIN'S KILLER IN NONE OTHER THAN RAJVEER COS WHEN HE WAS TEACHING NAINA HOW TO FIRE WITH A PISTOL HE TOLD HER TO THINK ABT A PERSON WHOM U HATE 😡
AND WHEN HE SAW THE BURNING HATERED ON HER FACE THEN HE ASKED NAINA WHOM SHE HATES SO MUCH TO THIS NAINA REPLIED"THE ONE WHO KILLED MY BROTHER "😡
WE MUST SEE THE EXPRESSIONS ON RAJVEER'S FACE ASTHOUGH HE IS THE CULPRIT ,HE KILLED NAVIN !😕