Security forces today shot dead two tribal militants killed in an encounter in Meghalaya’s East Garo Hills district. The 20-minute encounter with the Garo National Liberation Army militants took place at Watregittim village at around 5:30 AM when the Swift Weapons and Tactics commandos were on patrol, police said.The two militants were identified as Rengchang Ch Marak and Subarthapa N Marak. An AK series rifle, two pistols, a mobile phone and a grenade were seized from the militants.