Delhi Chief Minister Arvind Kejriwal on Friday said the Bharatiya Janata Party (BJP) and Congress were "dharna parties" and that only the Aam Aadmi Party (AAP) delivered on governance.Referring to the protests by Congress and BJP leaders against each other over the AgustaWestland scam, Kejriwal tweeted: "BJP n Congress both r dharna parties. They do dharnas almost everyday. Today, BJP on dharna against itself. Only AAP delivers governance." Earlier in the day, scores of Congress supporters and senior leaders, including party president Sonia Gandhi and vice-president Rahul Gandhi, protested against the BJP for accusing the grand old party leaders of corruption in the Rs.3,600-crore AgustaWestland deal for 12 helicopters. Similarly, BJP supporters staged a demonstration against the Congress before the Gandhi statue in Parliament over the AgustaWestland scam.