Indicine had sources and quite strong too. Problem starts when we think someone isn't going with our way of narrative. They are the only one I know after boi who had contracts with area wise distributors, there are many instances when they have given early estimates before boi which something none has given successfully all the time,even boi's figures aren't 100% authentic only producers know the correct figure. So they used to follow producers unless there's not huge difference.
Even boi blunders in occupancy and collections , thing is they're the most popular site till 2016and their qna was extremely popular among all social media users, they're very informative and yakuza used to follow indicine not the other way around.