Excerpts from Khushwant Singh's roman à clef, Burial at Sea (Penguin/ Viking; Pages: 198; Price: Rs 275), that reconstructs the love affairs of Pandit Nehru and his daughter Indira from "what people who came closest to the father and daughter" had to say about them. "And from some intelligent guesswork." Why was he in part so reclusive? Why had he never remarried? What hold did a tantrik godwoman have on him? Did his daughter suffer from a father-fixation and find