KATHMANDU: Police on Thursday arrested four persons for their alleged involvement in a hundi transaction from Jawalakhel, Lalitpur. They were found involved in the illegal transaction at Mangmali Travels and Tours Pvt. Ltd. The arrested include 32-year-old Bishnu Gurung from Sunsari residing at Lazimpat and three others, police said. Rs.185,105 cash was confiscated from them. Further investigation is being carried out by local police.