As of 2020, according to the Election Commission of India, the minimum voting age in India is:

Correct option is B

The correct answer is option (B) 18 years

The minimum voting age in India was reduced from 21 years to 18 years by the 61st Amendment Act of 1988 to the Constitution of India. This came into effect in 1989.The reduction of the voting age in India from 21 years to 18 years was a significant democratic reform.

Information Booster :-

Background and Amendment :

•  Constitutional Amendment: The voting age was lowered through the 61st Amendment Act, 1988, which amended Article 326 of the Indian Constitution.
  
•  Article 326: This article pertains to elections to the House of the People (Lok Sabha) and to the Legislative Assemblies of States based on adult suffrage.