India's manufacturing growth slowed in October as domestic demand eased and hiring weakened, though a surge in export orders and the softest output price pressures in nearly four years helped cushion the slowdown, a private survey showed.HSBC's India Manufacturing Purchasing Managers' Index (PMI), compiled by S&P Global, eased to 54.7 in October from 55.1 in September, below a preliminary estimate of 54.9.