Dheeraj Jadhav's epic 194-run knock put Assam in command against Tripura as the visitors reached 420 for four on the second day of their Ranji Trophy Group C match here on Friday.
Resuming at overnight 85/1 in response to Tripura's 136 all out, Assam amassed the huge total riding on Jadhav's 301-ball knock and Tarjinder Singh's 99.
At stumps, Niraj Patel (44) and Gokul Sharma (20) were holding fort for Assam.
For Tripura, Manisankar Murasingh and Rana Dutta picked up two wickets apiece in what was largely a frustrating day for the home side.
Tripura 1st Innings: 136 all out
Assam 1st innings: 420/4 in 122 overs (Dheeraj Jadhav 194, Tarjinder Singh 99, Rana Dutta 2/86).