All economic boom is due to EXPORTS. Those employed in Exporting companies be it IT or goods are paid 3-5 TIMES more than normal Indians, Then these people goods and stimulate the whole economy.
Higher rupee = Indian goods uncompetitive = Lesser demand abroad = China killing Indian goose = Unemployment or lower wages here to compete = Lesser demand from Export employees = Reduction in demand from this privilaged IT employees = Slowing down of GDP back to the 70s 2-3% = End of Indian boom