Q.  According to ancient Indian cosmogonic ideas the sequential order of the cycle of four aeons (yugas) is

1. Dvapara, Krita, Treta and Kali
2. Krita, Dvapara, Treta and Kali
3. Krita, Treta, Dvapara and Kali
4. Treta, Dvapara, Kali and Krita