Deen Mohd (40), Dilshan (22), Fayaiz (21) and Faizan (21), all residents of Mangolapuri, were arrested by a team of the Delhi Police’s Crime Branch.

On 12 February, the Delhi Police presented a timeline of the events on 10 February that preceded the killing, alleging that Sharma was stabbed at a birthday party owing to a dispute over the closure of a friend's restaurant.

[6] Sharma's family responded by asserting that the alleged killers were involved with a previous dispute related Sharma's participation in the Bajrang Dal, the Vishva Hindu Parishad, and a fundraiser for the Ram Mandir temple at Ayodhya.

As of 22 February, a total of 9 people were arrested by the Delhi Police after a review of closed-circuit television footage.

[12] The North Delhi Municipal Corporation has declared to rename Mangolpuri Chowk in the name of Rinku Sharma.