Naidu, who had met BJP President Rajnath Singh yesterday, said that under the Congress rule "nation is in crisis" and whenever such a situation occurred, his party has played a "positive role."
The former NDA convener, who concluded his two-day visit to the national capital today, however, said this was not time to discuss politics as Andhra Pradesh was in "disaster" as UPA government was treating the issue of division of the state as an "internal affair" of Congress.
"Now, we have to play a positive role," the TDP chief said noting that his party had played a crucial role directly or indirectly in forming three governments -- National Front, United Front and NDA -- at the Centre.
Asked whether he would be the convenor of NDA or third front after the 2014 elections, Naidu said, "This is not the time to discuss politics...There is a national crisis. I have played positive role so many times in national politics."
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Naidu, however, did not react to a question as to whether his party would support Narendra Modi as the Prime Minister.
His statement assumes significance as BJP is scouting for partners for pre-poll and post-poll alliances in a bid to expand NDA.
Naidu and the BJP chief had yesterday held an almost hour- long closed-door meeting at Singh's residence here.