The notice has been sent to Johar to check the video’s veracity, an NCB official said

In bollywood drug case probe.
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Maharasthra:NCB issues notice to filmmaker Karan Johar seeking details of parties he organised.
He has been asked to send his response & produce documents/electronic evidence, with regard to the video in circulation,given by Maninder Singh Sirsa with his complaint.
NCB has sent summons to Karan Johar in connection with the July 2019 Bollywood party. He has been asked to respond to the NCB notice by Dec 18.
The video, which also shows several top stars, is being investigated as part of NCB’s probe, the official said.
The NCB had received a complaint regarding the video of a party, which was attended by top Bollywood stars last year, the official said.
The complaint was about movie stars apparently seen in a ‘drugged’ state in the video.
ANI