The interstate criminals were identified as Jagdish, Ballo alias Kuli and Mangal Singh and arrested from Shivpuri in MP yesterday, SP Dholpur Rajesh Singh said here today.
60-year-old Nirotilal Garg, also an RSS activist, was allegedly strangled by robbers, who fled with cash and jewellery at Gadarpura area of Dholpur on June 17.
They had entered the deceased's house after breaking iron rods of windows while he was sleeping.
The accused had confessed of their involvement in the crime, the SP said.