Is There Evidence of Saty in India?

The ancestors of the bolochi people, of the people of the balana bolan region, were the balana clan. This is a very ancient vedi witheira clan of indians,. And their descendants could be the people of balan bolan or balocestan. So it is believed that the balana clans gave their name to the region of bolan. Bolan is in blochastan. Ok osabese says, you said there thee is no substantial evidence of saty anywhere in history. But in my last 12 history text book, it is mentioned that francois bernier, a french traveller who visited india in the seventh century