Har Govind Singh (33) and Nigerian national Ikenna Okoye (33) were arrested from the Vikas Puri area last week, a senior crime branch official said.
Fine quality heroin weighing 380 grams, worth Rs 45 lakh in international market, was recovered from the duo, he said.
The Crime Branch had received information that Singh, a resident of Sirsa (Haryana), indulged in supply of heroin after procuring it from Okoye who live at Uttam Nagar here, said the official.
Okoye, who hails from Anambra state of Nigeria, came to India in July, 2102, on tourist visa and started living with his fellow countrymen.
"He fell in bad company and to earn quick and easy money started supplying drugs in the area of Uttam Nagar and Dwarka," added the official.
Further investigation is on.
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