Did Qasim slaughter a cow in temple and soiled the idols with blood inspired by "ancient Indians"?
Did Durrani fill Golden Temple's sacred pool with the blood of slaughtered cows inspired by "ancient Indians"?
Corpse of Guru Arjan Dev was wrapped in cow-skin to cause special offence to the Sikhs inspired by "ancient Indians"?
During the Christian inquisition of Goa, Hindus forcibly converted to Christianity were made to eat beef, inspired by "ancient Indians" ?
Cow issue in India is as much about beef as calling a LC by a caste name is about FoEx of the speaker (you can go to jail for this).
Historically, violence against Hindus, from Muslim invaders to this day, has rarely been unaccompanied by cow-slaughter in front of Hindus/their sacred places
IT'S NOT RELEVANT