India, Nov. 16 -- India captain Shubman Gill spent Saturday night under medical supervision at Woodlands Hospital in Kolkata after his neck pain intensified dramatically, only hours after he had retired hurt during India's first innings on Day 2 of the first Test against South Africa at Eden Gardens. According to a Rev Sportz report, the development has cast serious uncertainty over his availability for the second Test in Guwahati, starting November 22.

Gill, 26, had initially walked off on four after appearing to suffer a whiplash-like jolt while slog-sweeping Simon Harmer for a boundary in the first session of the second day's play. The physio attended to him immediately, and although the injury did not look alarming at first, his cond...