Navi Mumbai police seized 514 grams of MD powder with an estimated cost of Rs 11.40 lakh from two Nigerian nationals in Navi Mumbai's Kharghar and arrested them, an official said on Saturday, reported news agency PTI.

The duo, identified as Sunday Ejiko Oxoagu and Peter Munachimso Nwofor, was picked up with the contraband on Friday evening behind a residential complex, he said, reported PTI.