Dec 28 (Reuters) - India will sell 100 billion rupees ($1.9 billion) of treasury bills, including 50 billion rupees of the 91-day t-bills, and 50 billion rupees of 182-day t-bills, on Feb. 13, the Reserve Bank of India said on Friday. ($1=53.5 rupees) (Reporting by Shamik Paul; Editing by Anand Basu)