One historically stable (but not guaranteed) community source: IPTV-org GitHub Playlist – contains some Indian channels under /channels/IN.m3u If you want a Indian channel list, I can help you format a legal M3U from free-to-air sources (e.g., DD National, DD News, Lok Sabha TV, Rajya Sabha TV) which are always legal to stream. Let me know.
#EXTM3U #EXTINF:-1 tvg-name="DD National" tvg-logo="https://example.com/dd.png" group-title="Hindi",DD National http://example.com/stream/ddnational.m3u8 #EXTINF:-1 tvg-name="Star Plus" group-title="Hindi",Star Plus HD http://example.com/stream/starplus.m3u8 indian m3u playlist
#EXTINF:-1 tvg-name="Sun TV" group-title="Tamil",Sun TV http://example.com/stream/suntv.m3u8 Lok Sabha TV