Aftab Alam alias Bhoora was arrested from Bisrakh area in Gautam Buddh Nagar district of Uttar Pradesh by an Uttarakhand STF team led by inspector Santosh Kumar yesterday, they said.
Alam had assumed a fake identity and worked as a lab assistant in a medicine factory there to evade arrest.
Alam, who was serving life term after being convicted by the Uttarakhand High Court in a murder case in 2004, had escaped from custody in May 2007.