Lalrinmawia (24) and Lalfakawma (34), travelling on a motorcycle inside which the contraband was hidden, were arrested on Friday.
The seized contraband, worth around Rs 12 lakh in the local market, was suspected to have been smuggled from Myanmar.
The two accused were booked under relevant sections of the Narcotic Drugs and Psychotropic Substances Act, 1985 and also under Foreigners' Act.