The drug peddlers were identified as Pappu Bhil (26) and Pankaj Bhil (24).
"Acting on a tip off, Pappu Bhil, who was on a motorbike, was detained by sleuths yesterday at Dewas Naka area of the city and poppy husk weighing 9 kg was recovered from him.
"Thereafter, Pankaj Bhil was nabbed at Sarvate Bus Stand in the town with 4.5 kg poppy husk," Indore CBN Superintendent Mukesh Khatri said.
Their interrogation led to the arrest of Balwant Singh, owner of a dhaba ((road side restaurant) located in Lodhpur village in neighbouring Dhar, he added.