National 0 1 min readPIROJPUR: Traders at Sandha Bazar in Kaukhali Upazila are busy in chai ( a kind of fishing trap) sale. This picture was taken yesterday. 17 Jun 2017, 12:00 am0PIROJPUR: Traders at Sandha Bazar in Kaukhali Upazila are busy in chai ( a kind of fishing trap) sale. This picture was taken yesterday. admin .