Why NCB team visited Shah Rukh Khan and Ananya Panday's House? What did they do there?

The fresh update in Aryan Khan Cruise Drug Case is that, the investigation team of NCB visited Shahruk Khan's house mannat and Ananay Panday's House. Yesterday as per source of Aajtak news channel the NCB found links & drugs related chat between Aryan khan and one actress. As NCB's team visited Ananya Panday's house today so it is clear that the actress is Ananya Panday. 
What NCB team did at Shah Rukh Khan and Ananya Panday's House?
Ananya Panday is daughter of Actor Chunky Panday, She is staying with his father, so Ananya Panday's house means Chunky Panday's House. Ananya Panday is best friend of Aryan Khan's sister Suhana Khan.

NCB team did the search operation at Srk's Mannat as Aryan Khan staying in that house. And also give notice to shahrukh khan that he has to handover any electronic gadget of Aryan Khan to NCB. and after few moments NCB team left the srk's house. 

NCB team also visited Ananya Panday's house and they have taken the phone of Ananya Panday at their custoday and asked Ananya Panday to remain present at NCB office today 2.00p.m for the interrogation.