How many phases of the Lok Sabha election were held from 11 April to 19 May 2019?

Correct option is D

General elections were held in India in seven phases from 11 April to 19 May 2019 to elect the members of the 17th Lok Sabha.
 Votes were counted and the result was declared on 23 May.
 The election resulted in a landslide victory for the BJP which won 303 seats and formed the government.
  Prime minister Narendra Modi sworn in as Prime Minister of India for the second term on 30th May 2019. 
 The 17th Lok Sabha recorded the highest number of women politicians with a total of 78 women members.