India have taken an unassailable 2-0 lead in their four-match series against the West Indies after winning the third Test in St Lucia by 237 runs.
The tourists declared their second innings on 217-7 earlier in the day — with an overall lead of 345 — after needing just nine overs in the morning session to increase their score from 157-3 overnight.
Set a target of 346, the home team experienced a notable collapse and were all out in their second innings for 108 off 47.3 overs.
Only Darren Bravo was able to put up resistance, scoring 59, with the likes of Kraigg Brathwaite (4), Leon Johnson (0), Jermaine Blackwood (1), Shane Dowrich (5) and captain Jason Holder (run out on 1) all dismissed with relative ease.
Mohammed Shami was the pick of the bowlers with 3-15 from 11 overs, including the vital wicket of Bravo, caught by Rohit Sharma.