India, July 14 -- Former BCCI selector Devang Gandhi and ex-India wicketkeeper Deep Dasgupta have cast serious doubts over Karun Nair's future in Test cricket following a string of underwhelming performances in the ongoing series against England.

After nearly eight years in the wilderness, Karun Nair was handed a rare second chance at the international level, thanks to a prolific domestic season and a double century against England Lions. But the 33-year-old Karnataka batter has failed to capitalise on the opportunity, managing just 131 runs across six innings at an average of under 22.

Despite spending considerable time at the crease-facing 249 deliveries across three Tests-Nair has looked vulnerable against high-quality pace. While he...