The Chinese traveller Yuan Chwang (Hiuen Tsang) who visited India recorded the general conditions and culture of India at that time. In this context, which of the following statements is/are correct? 1. The roads and river-routes were completely immune from robbery. 2. As regards punishment for offences, ordeals by fire, water and poison were the instruments for determining the innocence or guilt of a person. 3. The tradesmen had to pay duties at ferries and barrier stations. Select the correct answer using the codes given below:

Option b is the correct answer. Statement 1 is incorrect. Yuan Chwang was a Chinese Buddhist monk and traveller who travelled across India for 17 years. Yuan Chwang has mentioned in his journal that he was robbed and the thugs had decided to sacrifice him, but he was saved by a hurricane. Statement 2 is correct. The punishment for social offences according to the traveller's account were to cut off the nose or an ear or a hand. Minor offences were dealt with fines. And to determine guilt or innocence ordeals by fire water and poison were the instruments which were used. Statement 3 is correct. The tradesman had to pay duties at ferries and barrier stations.