During which periods the Five Year Planning was not effective or when were the Annual Plans put to practise ? (a) 1966 - 1969 (b) 1990 - 1992 (c) 2000 - 2002 The options are :

• A. (a) and (b)
• B. (a) and (c)
• C. (b) and (c)
• D. (a), (b) and (c)