Today's Bollywood is dominated by a few very important families. How did these families grow to be so ubiquitous?

by Xxxn00bpwnR69xxX
Searocksandtrees

Just a quick moderator reminder to OP and anyone considering answering here: this subreddit has a "20-year rule" prohibiting discussion of current affairs. When answering, kindly confine discussion to events up to 1998 only. Thanks!