This author has not been identified. Look up 'Sourav Rana' in GoogleThis author has not been identified. Look up 'Sudip Samanta' in GoogleThis author has not been identified. Look up 'Sabyasachi Bhattacharya' in GoogleThis author has not been identified. Look up 'Kamel Al-khaled' in GoogleThis author has not been identified. Look up 'Arunava Goswami' in GoogleThis author has not been identified. Look up 'Joydev Chattopadhyay' in Google