Bt in dat case y did she never told Raj dat sAlekh knos evrything abt her & he is helping her wid her investigations while she did tell Alekh in her letter dat Rajveer sir is helping her wid investigations.Even Alekh trusts Raj sir so much bt makes sure dat he doesnt find out abt his role in investigations being carried out by Naina.Even in ystrday's epi he made sure dat Raj cud not c him at d restaurant.