Public Service Commission (PSC) has barred test takers from wearing watches during the Bangladesh Civil Service (BCS) examinations.Clocks will be arranged at exam halls for all to check time, said a statement of the PSC on Sunday.The 36th BCS preliminary test is scheduled for Friday (January 8).The two-hour long test will be held from 9:30am to 11:30am.Earlier, the PSC prohibited the use of any electronic device, including calculators and mobile phones since the 35th BCS preliminary tests.