Aizawl, April 7 -- A Myanmar national has been arrested in east Mizoram's Champhai district for possessing heroin worth Rs. 1.77 crore during a joint operation by Assam Rifles and Mizoram police, Assam Rifles said in a statement on Sunday.

Acting on a tip-off, the Assam Rifles troops in coordination with the state police launched an ambush near a crossing point along the Indo-Myanmar border in Champhai district on Saturday, the statement said.

The joint team intercepted the accused while crossing Tiau river,which divides India and Myanmar, to enter Mizoram, and a thorough checking of him led to the recovery of 237 grams of heroin worth Rs. 1.77 crore from his possession, it said.

The accused has been identified as Vanlalmara, 42, a res...