Sushant Singh Case: The BMC has quarantined Patna SP Vinay Tiwari with his hand stamped indicating the isolation period till August 15 after he reached Mumbai to supervise the probe being conducted by Bihar Police into the death of actor Sushant Singh Rajput, police said on Monday. Bihar Director General of Police Gupteshwar Pandey on Sunday alleged that Tiwari was "forcibly quarantined" by civic authorities in Mumbai.