Question

which two castes were powerful during the vedic period ? a noble cause​

Answer 1

Four varna categories were constructed to organize society along economic and occupational lines: Spiritual leaders (priests) and teachers were called Brahmins. Warriors and nobility were called Kshatriyas. Merchants and producers were called Vaishyas.

Which caste is smallest?

the untouchables

The lowest caste was the Dalits, the untouchables, who handled meat and waste, though there is some debate over whether this class existed in antiquity.