The Election Commission in its response have said that the opposition "does not raise any ground or base for altering" the existing system of sample checking.
The RBI, headquarters, where its Governor sits, was initially established in Kolkata but was permanently moved to Mumbai in 1937.
After Lok Sabha elections 2019, the new government will assume office in May. Gandhi has been making a series of poll promises ahead of release of party's poll manifesto.
General elections are scheduled to be held in seven phases from 11 April to 19 May 2019 to constitute the 17th Lok Sabha. The counting of votes will be conducted on 23 May, and on the same day the results will be declared.
Kejriwal has been urging the Congress to stitch an alliance in Delhi for the Lok Sabha polls to keep the BJP away from power.
Just two days ago, a tea cup bearing the BJP's election campaign slogan "main bhi chowkidaar" created a furore.
Mamata Banerjee claimed the BJP won't get a single seat in West Bengal and the party won't cross the 125-mark in the 543-member Lok Sabha.
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