Nizamuddin Markaz case will be investigated by Delhi Police Crime Branch. Delhi Police has already cordoned off major area in Nizamuddin West. In this area, many people are showing symptoms of coronavirus after taking part in Tabligh-e-jamaat congregation. Meanwhile, an FIR has been filed against Markaz chief Maulana Saad. The FIR has been registered against Maulana Saad under the Epidemic Disease Act 1897 with Sections 269, 270, 271 and 120-B of IPC.