Surat: Special operation group of city police seized 73 kg ganja worth Rs 7.36 lakh from a house in Udhna area on Thursday and arrested Chandrashekhar Rao (48). Police recovered Rs 39,050 cash from the accused. Rao, a native of Ganjam in Odisha, informed police that he brought the contraband from Odisha. Police are further investigating the case to find out who supplied the ganja to Rao and who used to purchase it from him.