Consider the following statements regarding Tughlaq Architecture:
1. The buildings were put on a high platform.
2. A striking feature was the sloping walls
3. Deliberately combined the principles of the arch and the lintel and beam in their buildings.
Which of the statements given above is/are correct?1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
All of the above