Ashok [email protected] is a light-hearted saying: "A Kashmiri weather forecast is simple-carry an umbrella if the sun is shining."Advertisement The umbrella, however, is more than protection against the rain. It has also found a place in India's popular culture.Few Bollywood scenes are as memorable as Raj Kapoor and Nargis walking through the rain under a single umbrella in the evergreen song "Pyar Hua Ikrar Hua" from Shree 420. For many Indians, that single umbrella came to symbolise love and companionship.Every monsoon, that memory returns in a different way. The first dark clouds gather, the wind turns cooler and umbrellas suddenly…