mumbai, June 16 -- Unhappy with the quality of candidates being provided for hiring, India's biggest IT services firm has urged its third-party vendors to raise their game, and promised a sweetener to help them step up. According to two vendors who spoke with Mint on condition of anonymity, Tata Consultancy Services (TCS) Ltd said vendors can get 50% higher payouts for candidates who pass its quality checks. This aggressive push comes as TCS, despite postponing its own wage hikes, looks to swiftly close critical software programming vacancies and capitalize on what it sees as a "promising" first half of the current fiscal year. In a series of virtual meetings with its vendors in April and May across Delhi, Mumbai, Hyderabad, Bengaluru, and ...