Shares of TCS plunged by 5.46 per cent to touch an intra-day low of Rs 2,206.55 on BSE.
Infosys lost 4.57 per cent to Rs 905 and Wipro went down by 4.11 per cent to Rs 445.55.
Tech Mahindra tumbled as much as 9.68 per cent to Rs 426 and HCL Technologies declined by 6.25 per cent to Rs 787.20.
The BSE IT index fell by 4.83 per cent to touch an intra-day low of 9401.85. It is currently trading at 9547.53.
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Trump is set to sign a new executive order aimed at overhauling work visa programmes like the H-1B and L1, a move that will adversely hit the lifeline of Indian tech firms and professionals in the US.
A legislation has been introduced in the US House of Representatives which among other things calls for more than doubling the minimum salary of H-1B visa holders to USD 130,000, making it difficult for firms to use the programme to replace American employees with foreign workers, including from India.