The ED has again started clamping down on those involved in the AgustaWestland VVIP helicopter scam. In this episode, the ED on Wednesday raided businessman Shravan Gupta and seven places related to him. Gupta, a former director of the real-state company Emaar MGF, tightened his grip on Shravan Gupta and searched seven locations in Delhi and Gurugram in connection with the Rs 3600-crore AgustaWestland VVIP helicopter.