Always support official releases if available. However, for viewers in regions where Kaala Til has not yet been picked up by a major OTT giant, HiWEBxSERIES.com is currently the most accessible option.
If you haven't watched Episode 3 yet, you can catch it on HiWEBxSERIES.com. Don't forget to subscribe and hit the notification bell for updates on future episodes. Kaala Til Episode 3 -- HiWEBxSERIES.com