People's Union for Civil Liberties, in a letter sent to the Chief Secretary, has alleged the officer's new position will put him in a situation of influencing the investigation.
Kunal was suspended for his alleged failure to deal with the incident in the capacity of Bharatpur DM.
Ten persons of the Meo Muslim community were killed in communal violence and police firing in Gopalgarh town of Bharatpur in September 2011.
In an administrative reshuffle yesterday, Kunal was made Commissioner (land settlement).
The PUCL added it will also write to the National Minorities Commission to seek its intervention into the matter.