Hubli: Ian Dev Singh fought gallantly with his 94-run knock but other batsmen went without resistance as Karnataka spanked Jammu and Kashmir by an innings and 30 runs on the third day of their Group A Ranji Trophy cricket match, here.

Resuming at 36 for one, Jammu and Kashmir team was all out for 233 as their middle order crumbled against Karnataka, which had declared its first innings at 423 for nine.