NIA officer murder: Two more persons Rizwaan, Tanzeem arrested by UP police

NIA officer Tanzil Ahmad's murder: Motive behind killing was not known to us, say killers Reyan, Junaid

UP DGP to monitor probe into NIA official's killing

Sad! Last moments of NIA officer Tanzil Ahmad's life - Watch

NIA officer Tanzil Ahmad, probing terror cases related to Indian Mujahideen, shot dead; agency says killing pre-planned