As Amethi voted, Rahul Gandhi toured the constituency extensively on polling day for the first time in 10 years. The 43-year-old is widely seen as fighting a prestige battle in the seat previously held by his mother, Sonia Gandhi, and father, Rajiv. This time, he is in a three-cornered contest against the BJP's Smriti Irani and Aam Aadmi Party's Kumar Vishwas. Is this the first real challenge to Rahul in the Gandhi bastion?