Which of the following statement with reference to Ellora cave is NOT correct?
1. It is located a hundred kilometres from Ajanta and has only Buddhist, and Jain caves.
2. The Ellora caves were designated as a UNESCO World Heritage Site in 1983.
3. Ajanta also has excavated double-storeyed caves but at Ellora, the triple storey is a unique achievement.
4. The patrons of these caves range from the dynasties of Chalukyas to Rashtrakutas.