These firms are already affected by falling margins, delays in getting orders and the ongoing financial crisis in their second-biggest market, Europe.
Industry analysts and IT companies agree the rejection rates of H1 and L1 visas by the US, their biggest market, have almost doubled in the recent past.
After Infosys, the latest to bear the visa brunt is Nasdaq-listed Cognizant, which has been named in a litigation filed by 'disgruntled' employees in the US.
In April, 18 IT employees of US-based Molina Healthcare filed a lawsuit against the company, alleging they were replaced by H1-B visa workers from India and then laid off in violation of the state's discrimination laws, according to media reports.
The lawsuit, filed in the Los Angeles Superior Court, also names Molina's IT vendor, Cognizant.
A company spokesperson said: "It is Cognizant's view that this lawsuit is without merit, and we will vigorously contest it and pursue all legal remedies that may be available to us."
In February, Jack 'Jay' Palmer, a US-based employee of Infosys, had filed a complaint in Lowndes Country, Alabama, alleging that the Bengaluru-based company was misusing the visa programme to bring Indian employees to the US to work at clients' site.
Ajoy Mukherjee, human resources head of India's largest IT services firm, Tata Consultancy Services, agrees the company's visa rejections have gone up by 20 per cent when compared to a period two years back.
"While the guidelines have remained the same, it is the question of application of these guidelines that is leading to rejection," he says.
According to a CLSA report, visa troubles for Indian techies include increased fees, higher rejection rates, difficulties in getting interview appointments,
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