1 / 9Actor Sara Ali Khan arrived in Mumbai from Goa on Thursday to appear before the Narcotics Control Bureau (NCB) which is probing the drugs angle in the death of Sushant Singh Rajput.2 / 9The actor was spotted at Mumbai airport with her mother Amrita Singh on Thursday.3 / 9The NCB had on Wednesday served summons to Khan at her home.4 / 9Three other actors - Deepika Padukone, Rakul Preet Singh and Shraddha Kapoor - have also been asked to appear before the NCB.5 / 9While Sara Ali Khan and Shraddha Kapoor have been asked to appear before the NCB on September 26, Padukone has been summoned on September 25.6 / 9Earlier this month, NCB arrested actor Rhea Chakraborty and her brother Showik in the same case.7 / 9Sara Ali Khan was holidaying in Goa for about two weeks now. She had shared photos posing with her friends while also spending time with her family.8 / 9Sara Ali Khan will next be seen in David Dhawan's Coolie No 1 in which she is paired opposite Varun Dhawan. The film is most likely to get an OTT release.9 / 9Sara made her Bollywood debut in Kedarnath with Sushant Singh Rajput. (Photo Instagram)