Rameshwaram Cafe Blast Latest News | Bengaluru Cafe Blast Probe Handed Over To NIA | News18 NIA takes over investigation of Rameshwaram Cafe Blast, new CCTV footage reveals accused stayed for 9 minutes the cafeSame modus operandi was applied in Hyderabad blast. It is difficult to keep a watch: NIA Fmr Special Director Navneet Wasan