India, Dec. 22 -- Microsoft has joined Google, Apple and other tech companies in warning certain visa-holding employees to avoid international travel. This advisory comes after thousands of H-1B visa holders who came to India for visa stamping got stuck in the country as their physical interviews were rescheduled.

The United States of America's new social media vetting policy has led to delays of up to 12 months for visa stamping appointments at embassies. This disruption in H-1B renewal process has translated into thousands of visa holders potentially being refused reentry to the States after international travel.

Amid the H-1B rescheduling chaos, companies like Google and Microsoft have warned their visa employees to avoid travelling ...