PSU banks have taken the lead in raising deposit rates, offering as high as 8.5% to senior citizens for specific tenures. State Bank of India now offers 7.1% for a 400-day deposit, with senior citizens earning 7.6%. Among other nationalised banks offering attractive rates are Union Bank of India -7.3% for an 800-day deposit, and Central Bank 7.25% - for a 444-day deposit. Punjab and Sind Bank offers 8% for a 221-day deposit if done online, with senior citizens earning 8.5%.