IS this the end of the road for the Ambassador, that 'ugly dumpling' mainstay of Indians, much-loved despite its obsolete technology? The car that Indian prime ministers ride in, but also the car exported to England as a funny 1950s-vintage curio item? Decades of indifferent management and irresponsible labour have combined to leave a cloud of uncertainty over the plant at Uttarpara near Calcutta, where Hindustan Motors (HM) manufactures the old warhorse.