"Kalyan Singh and Yedyurappa back in BJP making a deadly cocktail of corruption and communalism. BJP's blueprint for India's future,” CPI(M) leader Sitaram Yechury said on micro-blogging website twitter.

Former Uttar Pradesh chief minister Kalyan Singh rejoined the BJP on Sunday and was appointed its national vice-president.

In January, Yeddyurappa returned to the BJP and merged his Karnataka Janata Party with the saffron outfit.

(Agencies)

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