Aizawl/Imphal, Oct 29: Methamphetamine tablets, a highly addictive synthetic drug banned in India, continue to be among the major narcotics smuggled from Myanmar into the Northeast. In the latest seizures, the Assam Rifles recovered methamphetamine tablets worth Rs 6.40 crore and heroin valued at Rs 3.71 lakh in Mizoram, while Manipur Police seized brown sugar worth around Rs 15 crore in Churachandpur district and arrested a suspected drug peddler, officials said on.