In 2012, he resigned from his engagement as a Senior Scientific Officer in order to contest the MLA election under the Congress ticket.
In July 2013, MK Preshow Shimray was elected as the Deputy Speaker[2] of the Manipur Legislative Assembly with a term till 2017.
On April 30th, 2013, the cavalcade of the deputy speaker was ambushed near Ukhrul by suspected NSCN (IM) cadres.
Police claim that a bomb was detonated after the cavalcade passed leading to a 30-minute-long firefight between the security forces and the splinter group.
[3] Another assassination attempt took place on April 10th, 2014, where an IED was exploded by rebels followed by a firefight as Shimray was returning to Imphal after voting in Chingai.