The air traffic in India is under the control of the Airport Controller Authority of India.
Choose the correct sentences in context of ‘River Information System (RIS)’. 1. It is on the line of air traffic control (ATC). 2. The system was developed by the Inland Waterways Authority of India (IWAI). 3. This system has not been implemented in any other country in the world. Which of the above statement (s) is/are correct?