Mumbai, June 10 -- After the India Meteorological Department (IMD) declared the early onset of monsoon on May 26, the city has been experiencing a lull period. The monsoon is set to revive on June 13 as per the weather forecast on Monday. Sindhudurg, Kolhapur and Ghats of Kolhapur are cautioned under orange alert, while yellow alert has been declared in Thane, Raigad and Pune on June 13. "Monsoon has its dormant periods which the Indian peninsular region is experiencing," said Sushma Nair, scientist at IMD. While there were spells of showers, the monsoon was majorly inactive.HTC...