Correct option is A
The correct answer is
(a) 5 years
Explanation: • Article 56 defines term of office. • President holds office for
5 years from entering office. • Eligible for re-election. • Can resign or be removed by impeachment. • Continues until successor takes charge.
Information Booster: • India follows parliamentary democracy; President acts on advice of Council of Ministers.
Additional Knowledge: (c) 6-year term existed for Vice President in some countries but not India. (d) 4-year term applies to US President.