New Delhi [India], June 25 (ANI): The National Investigation Agency (NIA) on Tuesday chargesheeted four accused in connection with the December 2023 ULFA (I) attack on a military station in Assam. Two motorcycle-borne cadres of the proscribed military outfit, ULFA (I), had lobbed grenades at the military station in Lichubari in Jorhat district on 14th December, as part of a bigger conspiracy to target army establishments across the north-eastern state. It took place less than a month after a similar attack at an Army camp in Kakopathar in Tinsukia district of Assam. ULFA (I) had, on 15th Decem…