Asked to bat, Assam were in a spot of bother as the first three batsmen fell for just 25 runs before Verma and KB Arun Karthik (59) stabilised the innings with a 127-run stand for the fourth wicket.
Verma faced as many 210 balls during his unbeaten knock and hit 11 boundaries, while Arun Karthik's fifty came off 144 deliveries with the help of six fours and one hit over the fence.
At stumps, Dhiraj Goswami (7 not out) was giving Verma company at the crease with Assam playing 78 overs in the day.
For Saurashtra, pace duo of Rathod (3/37) and Jaydev Unadkat (3/60) shared six wickets between them.
Brief Scores:
Assam 1st innings: 193 for seven in 78 overs (Amit Verma 74 not out, KB Arun Karthik 59; Hardik Rathod 3/37, Jaydev Unadkat 3/60).