PM Modi said the opposition party's arrogance was at its peak. Slamming the Cong prez over the issue of 1984 anti-Sikh riots, Modi said he should be "ashamed" of himself rather than "pretending" as if he is scolding Congress leader Sam Pitroda for the comments. Replying to a reporter's question on the 1984 riots, Pitroda, had last week said "Hua to hua...".