The NSE has a website which displays the option chain in near real-time. This program retrieves this data from the NSE site and then generates useful analysis of the Option Chain for the specified Index or Stock. It also continuously refreshes the Option Chain and visually displays the trend in various indicators useful for Technical Analysis.
Why do you think that https://github.com/Datalux/Osintgram is a good alternative to Python-NSE-Option-Chain-Analyzer