"I am congratulating Kejriwal so that he fully serves the people of Delhi and provides a stable government," said BJP President Rajnath Singh.

"I hope God gives him the strength to work for the people of Delhi," he added.

Senior BJP leader Sushma Swaraj also extended her best wishes.

"Congratulations to Arvind Kejriwal on taking over as chief minister of Delhi," she wrote on micro-blogging site Twitter.

(Agencies)

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