ON OCT. 1, 1977, MY PARENTS, MY TWO SISTERS, AND I BOARDED A LUFTHANSA PLANE in the dead of night in Bombay. We were dressed in new, heavy, uncomfortable clothes and had been seen off by our entire extended family, who had come to the airport with garlands and lamps; our foreheads were anointed with vermilion. We were going to America. ¶ To get the cheapest tickets, our travel agent had arranged a circuitous journey in which we disembarked in Frankfurt, then were to take an internal flight to Cologne, and onward to New York. In Frankfurt, the German border officer scrutinized the Indian passports for my father, my sisters, and me and stamped them. Then he held up my mother’s passport with distaste. “You are not allowed to enter…