New Delhi, Dec. 15 -- Last month, the Telangana government announced the merger of 27 urban local bodies with the Greater Hyderabad Municipal Corporation (GHMC), expanding the city's boundaries from 650 sqkm to 2,000 sqkm. In one stroke, it ensured that Hyderabad became the country's largest city in terms of municipal area, larger than Delhi, Chennai, Mumbai, Kolkata, and Pune - indeed, any other city. Telangana's ambition? A capital city that is counted among the world's top megacities. The simple belief is that size automatically translates into economic capability -- a bigger city promises a bigger GDP, bigger investment pitches, bigger infrastructure plans and bigger political influence. The ground reality, however, is not quite that si...