Jolting the AAP days ahead of the Gurdaspur Lok Sabha bye-election,
Chinna, along with his supporters, took the BJP's membership in the presence of the party's national vice-president Prabhat Jha and state secretary Punjab Vineet Joshi.
He accused the Aam Aadmi Party of straying from its ideals. Mann, he alleged, "is transforming the party into a private company".
"In order to defeat the Congress in Gurdaspur bypoll, I and my colleagues have decided to join the BJP and ensure Swaran Salaria's (BJP candidate) victory from the seat," Chinna said.
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Welcoming Chinna and other AAP leaders, Jha said they will be given due respect in the party.
"The move indicates Swaran Salaria's victory is inevitable in Gurdaspur," he said.
Yesterday, AAP leader Kulbhushan Singh, who had contested the last assembly elections from Sujanpur seat, and the party's general secretary, Lakhvir Singh, had joined the Congress, along with their supporters, in the presence of Chief Minister Captain Amarinder Singh in Pathankot.