51 Assembly constituencies spread across 11 districts, five of which border Nepal, will go to polls in the fifth phase.
Prominent contestants in this phase include controversial minister Gayatri Prasad Prajapati (SP), who will be facing Amita Singh (Congress) and Garima Singh (BJP) in Amethi, the Lok Sabha constituency of Rahul Gandhi.
Amita is the wife of Congress leader Sanjay Singh, while Garima is his estranged spouse, making it a "rani versus rani" contest.
Due to death of Samajwadi Party candidate Chandrashekhar Kanaujia in Alapur (Ambedkar Nagar), the EC has announced fresh date of voting in this constituency on March 9.
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With certain districts not far from the Nepal border, Prime Minister Narendra Modi had made it a point in his speech in Gonda to refer to the Kanpur train tragedy in which 150 people were killed.
Gonda is close to Nepal and so are Bahraich, Shravasti, Balrampur and Sidhharth Nagar districts.
In all, 608 candidates are in the fray in this phase with maximum of 24 candidates in Amethi and minimum of six each in Kapilvastu and Etwa seats of Siddharth Nagar district.
The run-up to the high-decibel campaign for the fifth
phase saw free flow of words like "donkey, Kasab and kabootar", taking the level of speeches by leaders of key parties to a new low.
"I take inspiration from the donkey because I work for people day and night...Donkeys are loyal to their master," he had said in Bahraich to counter the SP chief's reference to donkeys of Gujarat in a poll meeting earlier in Rae Bareli.
"It works even if it is ill, hungry or tired and completes the task...Akhilesh ji these 125 crore countrymen are my masters...I do all the work they ask me to do as I take inspiration from donkeys and take it with full pride," he had said.
Akhilesh was referring to an advertisement in which Bachchan, the brand ambassador of Gujarat Tourism, is seen inviting tourists to visit the Wild Ass Sanctuary located in Little Rann of Kutch in the state.
As if the "donkey" remark was not enough, BSP supremo Mayawati had hit back at BJP president Amit Shah after he used the acronym "KASAB" for Congress, SP and BSP, saying, "There cannot be a bigger Kasab than him."
She had also dubbed Shah a "terrorist".
Akhilesh had also hit out at the BJP chief for his KASAB barb, saying "KA" actually stood for "kabutar" (pigeon) and people will set BJPs pigeons free this election.
Shah had said, "Until Uttar Pradesh gets rid of K-A-S-A-B, there will be no development in the state. Ka (in Hindi) is for Congress, Sa for Samajwadi Party and Ba for BSP.