Uttar Pradesh tops the list with more than 3.8 million voters between 18 and 19, followed by West Bengal (around 2.1 million).
The Election Commission of India reduced the voting age to 18 from 21 in March 1989.
The biggest challenge for the new PM will be balanced development all over India especially in states where Maoists are active, feels Jharkhand resident Jayant Singh, 23.
"Development is good only if it's spread equally. In states gripped with red terror, development is negligent. The new PM will not only have to deal with Maoists have will also have to walk the extra mile to help state governments," he said from Ranchi.
For 19-year-old Dapan Khare from Mumbai, India needed to improve its image on the global stage by standing up to countries like the US and Pakistan.
Referring to the cases of Indian diplomat Devyani Khobragade's face-off with the US authorities over the alleged forged papers of her Indian maid or the beheading of Indian soldiers by Pakistani forces, Khare, a political science student, said both were "mishandled."
"We are a military and economic might and it's high time we start behaving like one. Countries like the US have to be sent a message that it would be difficult for them to survive without a market like India, and Pakistan needs to understand that if it dares to annoy us unnecessarily, there will be serious repercussions," he said.
"India should start putting its foot down and act like a strong nation which cannot be bullied, especially by its neighbours," Khare added.
Meanwhile, youngsters from the northeast said the region continues to remain neglected and out of touch with the rest of the country.
"The cases of discrimination are happening because people from the northeast are seen as outsiders and that, in turn, is due to the lack of connectivity with other parts of India," said Sunanda Gurung, a student from Assam who is all set to head to Delhi for her graduation.
"The new government should work on educating people from other parts of the country about the northeast, while promoting healthy interaction between them," Gurung told IANS.
Though Naina Razdan, a 26-year-old resident of Aligarh who too would be voting for the first time, warned that if the new government does not ensure clean, effective governance and "strong leadership", it won't remain in power for long.
"People are fed up with the current political system and if the veterans don't fall in line and continue with their shenanigans, there are newer options for the voters," she said.
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