Assam, which trounced Tripura in the season opener, earned six points from this match.
Assam, which scored 179 in the first innings and bundled out Jharkhand for 174 to secure five runs first innings lead, scored 207 in their second essay while wrapping up Jharkhand for 159.
Resuming at 56 for two, opener Rameez Nemat (37 not out overnight) and southpaw Saurabh Tiwary paired for 53 runs for the third wickets when left-arm spinner J Syed Mohammad struck the first blow having Nemat caught off H Zhimomi for 42 studded with four fours and one six off 93 deliveries.
Nemat could add only five runs to his individual overnight score.
Jharkhand could not face the Assam spin attack as wicket kept tumbling at regular interval before the visitors clinched the match in its favour just before the stroke of tea.
Syed Mohammad, who troubled the Jharkhand