MUMBAI, Feb. 9 -- Air Intelligence Unit (AIU) of the airport Customs on Friday arrested four people and seized 13,923 grams of hydroponic weed (cannabis), valued at around Rs.13.92 crore in the illicit market, from them. Customs officers said the accused arrived at Chhatrapati Shivaji Maharaj International Airport (CSMIA) from Bangkok in two different flights, with the contraband concealed inside their trolley bags....