I am 1 Million times Sure that Razia wouldn't Share these things with Tanveer.
Also Tanveer sending the poison mixed sweet to Razia's House again a surprise to Razia.
Do Razia guessed that its Zoya and she herself kept that in Zoya's plate. Is it something that Tanveer poisoned the sweets and Razia kept the Kala jadhu stuffs.
So Strange...