After a three-day holidays this week, all public sector and many private banks will function full day today. Banks usually are open half day for public dealings on Saturdays. The Finance Ministry has asked all the public sector banks to function full day today.The State Bank of India has said in a notice that all its branches would remain open till 5 pm. Many private sector lenders, including HDFC Bank and Karur Vysya Bank, have also decided to work full day today. Banks were closed for public dealing on Monday for annual closing and it remained closed on Thursday and Friday on account of Maharavir Jayanti and Good Friday respectively.