On BSE, the stock plunged 5.69 per cent to Rs 145.60, while on NSE, it lost 5.92 per cent to Rs 145.20.
Mastek yesterday reported a 9 per cent decline in net profit at Rs 5.86 crore for the March quarter.
The company had posted a net profit of Rs 6.44 crore for the corresponding period last fiscal, it had said in a BSE filing.
Total income from operations also declined by over 54 per cent to Rs 124.25 crore for the quarter under review compared with Rs 276.11 crore a year ago.
Cashless Technologies was incorporated on February 2, 2016, by Sudhakar Ram, MD and Group CEO of Mastek, and Hiren Shah, Senior Vice-President, Mastek.