New Delhi, Jan. 10 -- US President Donald Trump's administration has ramped up scrutiny of the H-1B visa applications. The US Citizenship and Immigration Services (USCIS) expanded US visa screening to detect fraudulent cases, limit immigration, and ensure national security and job security for Americans. The deepened scrutiny has led to a delay in H-1B visa appointments.

In the past year, the US department said it would take a more targeted approach, focusing on H-1B-dependent employers, cases where officials could not validate the employer's basic business information, and employers petitioning for H-1B workers who work off-site at another company or organisation's location.

In its document, USCIS listed a set of indicators that sugges...