Police said they have identified the terrorist who carried out Thursday's attack as Adil Ahmad from Kakapora in Pulwama. And that he joined the Jaish-e-Mohammed in 2018.
The terror group has claimed responsibility for the incident, they added.
ANI added that the Jaish-e-Mohammed had claimed responsibility for the attack in a text message sent to the Kashmiri news agency GNS.
CRPF Director General RR Bhatnagar said there were 2,500 security personnel in the convoy. He added that an "investigation is underway" and the "injured being taken care of".
Zulfiqar Hassan, IG CRPF (Operations) added that the Jammu and Kashmir Police are investigating the attack. He added that the injured have been "shifted to hospital" and that a "post-blast analysis is being done at the spot".
Union Home Minister Rajnath Singh also spoke to Bhatnagar about the attack.
Zulfiqar Hassan, IG CRPF(Operations) on Pulwama blast: J&K Police has taken up the investigation. The injured shifted to hospital. Post-blast analysis being done at the spot pic.twitter.com/BsOi2nJhfh