Four persons have been arrested for their alleged involvement in cricket betting related to the ongoing India-Bangladesh pink-ball Test at the Eden Gardens, a senior police officer said on Saturday. Acting upon credible information, three persons were arrested from Brindaban Basak Street under Jorabagan police station on Friday evening for running a racket using cricket betting app in their mobile phones, city police Joint Commissioner (Crime) Murlidhar Sharma said. The troika -- Kundan Singh, 22, Mukesh Mali, 32, and Sanjoy Singh, 42, -- were grilled and following their statement another accomplice Md. Sajid Hossain, 22, was arrested from the New Market area. Four mobile phones, two computer sets, cash worth Rs 2,05,000 and a notebook were seized from the accused, Sharma said.