I have invested 6 years Monthly income scheme and also in 5 years Senior citizens savings scheme of Post office. Is the interest received from such investments taxable?

adminPost Officeincome,income scheme,interest,investments,office,post,post office,SchemeI have invested 6 years Monthly income scheme and also in 5 years Senior citizens savings scheme of Post office. Is the interest received from such investments taxable?Insurance, Mutual Funds, Sensex, Nifty, Financial Planning