Modern India, Pakistan and Afghanistan: Kushans replaced the Scythians in Afghanistan and Shunga in North India. The rule of Kushans witnessed the rise of Mahayana Buddhism. Around this time many statues of the Buddha were produced in Afghanistan. So many statues that the later Islamic language used the word 'budh' for statue. Religions: Hinduism, Buddhism, Jainism, and various Tribes.
Persia: Parthian Empire flourised. Religions: Zoroastrianism.