Correct Option: A

The first sitting of the Fifth Lok Sabha was held on 19 March, 1971. The term of the Fifth Lok Sabha, which was to expire on 18 March, 1976, was extended by one year, i.e., up to 18 March, 1977 by the House of the People (Extension of Duration) Amendment Act, 1976. However, the House was dissolved on 18 January, 1977 after having been in existence for a period of five years, ten months and six days. The Sixth Lok Sabha met for the first time on 25 March 1977 after the Sixth General Election. The normal term of the Lok Sabha was restored to five years under the Constitution (Forty fourth Amendment) Act, 1978.