Friday at around 11.30pm at night Police raided Kadamtala an area near Assam Tripura Border under premtala Police station.
The raid against illegal drugs was led by Police Super Bhanupad Chakraborty.
A 19 year old male was detained and searched for and two packets was recovered which had 45 grams of heroine with market value of over 3 lakhs.
Drug dealer Bablu Das was also detained.
He is a resident of lohar powa area under Bazarichhara police station of Karimganj District.
He was presented at Dharmanagar district Court on Saturday.