indias empire By ethan horton 2000 BCE Indus Valley 500 BCE Gupta Empire 500 BCE Vedic Period Yojurveda Samaveda Atharvaveda 470 BCE Aryabhata 380 BCE Kalidasa 335 BCE Mahabharata/Ramayana chaturanga "4 limbs/divisions" Period: 324 BCE to 297 BCE Chandragupta Period: 322 BCE to 184 BCE Maurya Empire Period: 270 BCE to 232 BCE Ashoka Period: 320 to 550 Gupta Empire