Question: What election did Varaprasad Rao Velagapalli win to constitute the 16th Lok Sabha, electing members of parliament for all 543 parliamentary constituencies of India?  
Context: Washim Lok Sabha constituency (Marathi: वाशिम लोकसभा मतदारसंघ ) was a Lok Sabha (parliamentary) constituency in Maharashtra state in western India from 1977 for 6th Lok Sabha till 2004 elections to 14t Lok Sabha.  It was created in 1977 Lok Sabha elections, with abolishment of three term Khamgaon (Lok Sabha constituency) in neighbouring Buldhana district.  This constituency was dissolved when the delimitation of parliamentary constituencies based on the recommendations of the Delimitation Commission of India constituted in 2002 was implemented with the creation of new Yavatmal-Washim (Lok Sabha constituency). Brij Bhushan Sharan Singh (born 8 January 1957) is an Indian politician.  In 1991, he was elected to the 10th Lok Sabha from Gonda constituency in Uttar Pradesh state (India) as a Bharatiya Janata Party (BJP) candidate.  He was re-elected to the 13th Lok Sabha in 1999 from the same constituency and in 2004, he was re-elected to 14th Lok Sabha from Balrampur constituency in Uttar Pradesh state on the BJP ticket.  On 20 July 2008, he joined the Samajwadi Party.  In 2009, he was re-elected to 15th Lok Sabha from Kaiserganj constituency in Uttar Pradesh state.  He later joined the Bharatiya Janata Party months before the 16th general election and is currently member of 16th Lok Sabha from BJP He is the President of Wrestling Federation of India(WFI). Bangaon (Lok Sabha constituency) is one of the 543 parliamentary constituencies in India.  The constituency is in North 24 Parganas district in West Bengal and is centred on Bangaon.  All the seven assembly segments of No.14 Bangaon (Lok Sabha constituency) are in North 24 Parganas district.  As per order of the Delimitation Commission in respect of the delimitation of constituencies in the West Bengal, Bangaon (Lok Sabha constituency) came into being in 2009. Malda (Lok Sabha constituency) (spelling as spelled by Election Commission of India} was one of the 543 parliamentary constituencies in India.  The constituency centred on Malda in West Bengal.  As per order of the Delimitation Commission in respect of the delimitation of constituencies in the West Bengal, Malda (Lok Sabha constituency) ceased to exist from 2009 and two new ones came into being: Maldaha Uttar (Lok Sabha constituency) and Maldaha Dakshin (Lok Sabha constituency). Kolkata Uttar (Lok Sabha constituency) (Bengali: কলকাতা উত্তর লোকসভা কেন্দ্র ) is one of the 543 parliamentary constituencies in India.  The constituency is based on the northern parts of Kolkata in West Bengal.  All the seven assembly segments of No. 24 Kolkata Uttar (Lok Sabha constituency) are in Kolkata district.  As per order of the Delimitation Commission in respect of the delimitation of constituencies in the West Bengal, Calcutta North West (Lok Sabha constituency) and Calcutta North East (Lok Sabha constituency) ceased to exist and a new one came into being: Kolkata Uttar (Lok Sabha constituency). The Indian general election of 2014 was held to constitute the 16th Lok Sabha, electing members of parliament for all 543 parliamentary constituencies of India.  Running in nine phases from 7 April to 12 May 2014, it was the longest election in the country's history.  According to the Election Commission of India, 814.5 million people were eligible to vote, with an increase of 100 million voters since the last general election in 2009, making it the largest-ever election in the world.  Around 23.1 million or 2.7% of the total eligible voters were aged 18–19 years.  A total of 8,251 candidates contested for the 543 Lok Sabha seats.  The average election turnout over all nine phases was around 66.38%, the highest ever in the history of Indian general elections. Varaprasad Rao Velagapalli is an Indian politician and a member of parliament to the 16th Lok Sabha from Tirupati (Lok Sabha constituency), Andhra Pradesh.  He won the Indian general election, 2014 being a Yuvajana Sramika Rythu Congress Party candidate. Ranaghat (Lok Sabha constituency) is one of the 543 parliamentary constituencies in India.  The constituency is in Nadia district in West Bengal.  As per order of the Delimitation Commission in respect of the boundary delimitation of constituencies in the West Bengal, from 2009 Nabadwip (Lok Sabha constituency) ceased to exist and a new one came into being: Ranaghat (Lok Sabha constituency). All seven assembly segments of No. 13 Ranaghat (Lok Sabha constituency) are in Nadia district. List of Members of the 12th Lok Sabha, (10 March 1998 – 26 April 1999) after Indian general election, 1998 held during February–March 1998.  This was the third consecutive Lok Sabha like 10th Lok Sabha and 11th Lok Sabha elections that didn't provide the country a stable government.  Atal Bihari Vajpayee became the 16th prime minister of India but government lasted only about 13 month due to not clear mandate and the party was not able to get support from other parties, after withdraw of support by AIADMK.  After his resignation, then President K. R. Narayanan asked Sonia Gandhi, the leader of the opposition in the Lok Sabha to form the government; however, Gandhi responded that the UPA would not be able to form a government at the centre, following which President Narayan dissolved the House.  The next General elections of 1999 for 13th Lok Sabha provided India a stable government that lasted for full five years. The Indian general election of 2014 were held to constitute the 16th Lok Sabha in India.  Voting took place in all 543 parliamentary constituencies of India to elect members of parliament in the Lok Sabha.  The result of this election was declared on 16 May.  The 15th Lok Sabha completed its constitutional mandate on 31 May 2014.
Answer: Indian general election, 2014