It depends on the source. Some independent authors' blogs may offer their Hindi novels for free as a way to gain popularity. But well - known and established Hindi novels that are part of a commercial publishing house's catalog may require payment to read online, either through a purchase or a subscription on the publisher's or e - book seller's website.
It depends. If you're reading manga on legitimate websites that have the rights to distribute it, it's not illegal. However, if you're getting it from illegal torrent sites or unlicensed platforms, then yes, it's against the law.
The legality of reading manga online depends on the source. Legitimate platforms with proper authorization make it legal. But most random sites offering free manga are likely illegal and can get you in trouble.