Hello,

Today there is plethora of options if you want to learn anything, MOOCs such as edX, FutureLearn, Hubspot, Coursera, Udemy, Udacity, Skillshare to name a few, you can learn any course of your choice in these platforms, also there are various yourube channels such as cec ugc, swayam, vidya mitra etc which are really good for learning various subjects and gaining insightful knowledge.