Kamlesh Tiwari, 45, was earlier associated with a faction of the Hindu Mahasabha, they said.
Surat resident Ashfaq Shaikh, a prime suspect, allegedly replaced his colleague Rohit Solanki's photo on the latter's Aadhaar card with his own. He also changed the birth date on the Aadhaar card.
"If we do not get justice, I myself will take up the sword," Tiwari's distraught mother Kusum told reporters some time after meeting Adityanath.
The number of people who have recuperated from the disease surged to 2,48,93,410 and the case fatality rate has increased to 1.16 per cent
Four people were killed and at least 10 injured Monday morning after a fire broke out in a hotel here, prompting authorities to issue orders for demolition of the four-storey building after following the 'due process'.
The officer said UP unit chief of Antarrashtriya Hindu Mahasabha, Ranjeet Bachchan, died on the spot after being hit by a bullet
"Prime facie it seems that Tiwari was murdered due to his controversial statement made in 2015. There is a possibility," the DGP said as he ruled out any terror angle.
The family had earlier demanded a National Investigation Agency-led investigation in the matter saying they don't trust the state administration.