The Narcotics Control Bureau will soon send a summon to Deepika Padukone after her name cropped up during the drug probe in the Sushant Singh Rajput death case. The actress's WhatsApp chats with her manager, Karishma, were retrieved by the NCB in which the two were seen discussing drugs. Karishma works with Jaya Saha, with whom Rhea Chakraborty chatted about CBD oil, as a manager in the Kwan talent management agency. How NCB is going to tighten its investigation? To know more about this, watch this video.