Lucknow/Chandigarh, Dec 3 (ANI): Public sector banks employees in northern India went on a strike on Wednesday to demand wage revision, which caused inconvenience to people. The employees began their four-day relay strike with staff in southern region going off from work on Tuesday. The finance ministry also asked banks to ensure operation of clearing houses, continuation of Internet banking, and make arrangements for carrying out uninterrupted government business transactions. Shutters were down at all the banks as public sector bank employees staged protest march on the streets in Chandigarh holding banners and placards and shouting slogans.