The BJP won 181 of the 270 wards that polled on Sunday, way above the halfway mark to secure control of all the three Municipal Corporations of Delhi.
Rajnath Singh termed the BJP's victory in the Delhi civic polls as a "reaffirmation of people's faith in Prime Minister Narendra Modi's leadership".
A BJP candidate in a south Delhi ward trounced his AAP rival by a whopping 9,866 votes, the highest winning margin in municipal corporation elections.
Delhi Chief Minister Arvind Kejriwal congratulated the BJP for its victory in the civic polls and assured his party's support for Delhi's betterment.
BJP's landslide victory in the Delhi municipal polls can be credited to a "Modi wave", the AAP's debacle signals the bursting of a political bubble, experts said.
The BJP was set to retain its hold on Delhi civic bodies, winning 143 and leading in 31 of the 270 wards, while the AAP was at a distant second with 35 wins and 16 leads.
Modi expressed gratitude to the people of Delhi by reposing faith in the BJP and ensuring its resounding victory in MCD polls.
The BJP is headed for a landslide victory winning 103 wards while the Aam Aadmi Party and the Congress bagged 26 and 8 seats respectively in initial results of MCD polls.
Venkaiah Naidu dismissed allegations of EVM tampering, saying that the ruling Aam Aadmi Party failed to understand the mood of the nation.
Win in all the three civic bodies underlines the ability of PM Narendra Modi and his confidant Amit Shah to think out of the box and pull off surprise mandate.