Explain yarn as the second production stage of any textile​

Fibres are first converted into yarn by the process of spinning. In the process of spinning, fibres from a mass of cotton (or wool, silk, etc.) are drawn out and twisted. This brings the tiny fibres together to form a long and twisted thread called 'yarn'.

after the aryan's settled in india they changed for the better i bellieve they changed from nomads having to keep moving to being farmers   they were aswell avaible to turn the ganges river into farmland.   which is great they added a big affect on farming as we know of it today.