Consider the following events: I. Reign of Krishna Deva Raya of Vijayanagara. II. Construction of Qutab Minar. III. Arrival of Portuguese in India. IV. Death of Firoz Tughlaq. Which one of the following is the correct chronological sequence of the above events?

1. (a)II, IV, III, I
2. (b)II, IV, I, III
3. (c)IV, II, I, III
4. (d)IV, II, III, I