BENGALURU, April 21 : India's HCLTech forecast revenue growth of 1 per cent-4 per cent for fiscal 2027 on Tuesday, below analysts' expectations of 3 per cent-5 per cent, as clients kept a tight lid on discretionary spending. Top companies in India's $315-billion IT industry have been beset by uncertainties from U.S. tariff and immigration policies to geopolitical turmoil in the Middle East, with clients now choosing to focus on optimising costs. "The business environment remains highly fluid,