Narendra Modi to take oath as PM on May 26

"Please don't use the word 'kripa' (favour)," Modi said. "A son doesn't do a favour to his mother. A son works with dedication. I treat the BJP as my mother."

Earlier, at a meeting held in parliament's central hall, Modi's name was proposed by party patriarch L.K. Advani and seconded by other leaders including Murli Manohar Joshi, Venkaiah Naidu, Nitin Gadkari, Sushma Swaraj and Arun Jaitley.

The Modi-led BJP won a staggering 282 seats in the 545-member Lok Sabha, becoming the first non-Congress party since independence to get a majority on its own. The Congress fell to an embarrassing tally of 44 seats, its lowest ever.

"Even though I have to propose the name of the leader, I am supposed to back the name which has been already decided by the party," Advani said.