Section 2(xi) in National Savings Certificates (VIII Issue) Rules, 1989
(xi)"Old Certificate" means a certificate issued under the Post Office Savings Certificates Rules, 1960, or the National Savings Certificates (First Issue), Rules 1965 or the National Savings Certificates (IV Issue) Rules, 1973; or a Bond issued under the National Development Bonds Rules, 1977 or the National Savings Certificates (VI Issue), 1981 or the National Savings Certificates (VII Issue) Rules, 1981 or the Social Security Certificate Rules, 1982 or the Kisan Vikas Patra Rules, 1988;
