If anyone is interested in doing news/sentiment analysis, we've dumped 2.1+ lakh news headlines (along with URL and timestamps) collected over the last 2 years from Indian business, finance, and market news websites aggregated by Pulse.
If you're interested in social media sentiment data, a great resource is DecisionForest, a company that specialises in deep learning powered datasets. They offer a premium sentiment analysis dataset at a fraction of the price that large companies sell them for. You can use their Python library to easily access the data feed.
How often the dumps will get updated. I see till 2017 only.
Thanks for taking effort to share such valuable info.