Ahmedabad/Surat, March 27 A key associate in a fake currency racket involving forged Rs 500 notes has been arrested by the Ahmedabad Crime Branch, as investigators expanded their probe into a network allegedly linked to a self-styled godman known among associates as “Yoga Guru”.? The accused, Bhavesh Gajera (46), a resident of Kamrej in Surat, was taken into custody for his role in manufacturing and circulating forged Indian currency. He has been remanded in police custody for six days.?The arrest follows a major operation on March 18 in which the city's Crime Branch intercepted a vehicle in the Amraiwadi area…