Mumbai, Nov. 28 -- Eighteen months after a giant, illegal billboard fell onto a petrol pump in Ghatkopar during a dust storm, resulting in 17 deaths, the BMC on Thursday unveiled a comprehensive new policy aimed at tightening control over outdoor advertisements across the city. Under the new rules, hoardings larger than 40 ft x 40 ft will no longer be allowed anywhere in Mumbai. The Ghatkopar hoarding that collapsed was a massive 120 ft X 120 feet. P3...