New Delhi, Nov. 4 -- Congress lawmaker Shashi Tharoor's article on dynastic politics, saying it poses a "grave threat to Indian democracy" and adding that the Nehru-Gandhi family "cemented the idea that political leadership can be a birthright", has caused an unease to his party and handed fresh ammunition to the BJP to target the Opposition party. Tharoor's article published on October 31, said, "For decades, one family has towered over Indian politics. The influence of the Nehru-Gandhi dynasty - including independent India's first prime minister, Jawaharlal Nehru, prime ministers Indira Gandhi and Rajiv Gandhi, and current opposition leader Rahul Gandhi and MP Priyanka Gandhi Vadra - is bound up with the history of India's struggle for freedom. But it has also cemented the idea that political leadership can be a birthright. This idea has penetrated Indian politics across every party, in every region, and at every level." "While the Nehru-Gandhi family is associated with the Indian National Congress, dynastic succession prevails across the political spectrum," Tharoor said, citing examples from various corners of India and its neighbourhood....