The former Bihar chief minister, speaking at the 21st foundation day function of his party, the Rashtriya Janata Dal, was referring to the next Lok Sabha polls.
In a scathing attack here against the NDA government, the RJD supremo said the country was witnessing an "undeclared emergency" which, he held, was worse than the one imposed by Indira Gandhi in 1975.
He questioned the BJP's portrayal of its presidential nominee, Ram Nath Kovind, as a Dalit.
"In Gujarat, Kori (the caste to which Kovind belongs) is an OBC caste and constitutes around 18 per cent of the state population. Narendra Modi chose to field Kovind in the presidential election in order to attract votes of this big chunk," Prasad claimed.
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Meira Kumar, he added, belonged to an all-India Dalit caste.
The RJD is supporting Congress candidate Meira Kumar, who is being backed by 17 parties for the July-17 presidential poll.
In a blistering attack against the BJP and RSS, Prasad said the party had humiliated senior leaders L K Advani and Murli Manohar Joshi by not fielding them for the presidential post.
Prasad said he was making "earnest efforts" to bring BSP chief Mayawati and SP leader Akhilesh Yadav together at an August 27 rally being organised here by the RJD.
Prasad, who was flanked by his minister sons Tejaswi Prasad Yadav and Tej Pratap Yadav, was accompanied by a host of ministers and RJD leaders.
He said prominent leaders of non-BJP parties would share the dais at the rally and "show a new direction to the country like Mahatama Gandhi had done by launching the Champaran Satyagraha against the British from Bihar".
Congress president Sonia Gandhi, West Bengal Chief Minister Mamata Banerjee and Bihar Chief Minister Nitish Kumar would participate in the mega rally, he said.
"My star is moving here and there. Everyone of you must become a Lalu Yadav and organise the rally in the fashion you celebrate the marriage of your son or daughter," he told the RJD workers and leaders.