India, June 29 -- The Ministry of External Affairs (MEA) has issued a strong advisory cautioning Indian citizens against undertaking the Kailash Mansarovar Yatra through private tour operators without obtaining the mandatory travel documents, following multiple cases of pilgrims being stranded in Nepal due to the absence of valid Chinese visas and entry permits. The advisory, issued late on Saturday, comes after the ministry received several requests for assistance from Indian nationals who had begun their pilgrimage through privately organised tour packages but were unable to proceed to Tibet because they lacked the necessary documentation required by Chinese authorities. "This Ministry is in receipt of several requests for help and assi...