Social Media Free Course: https://www.facebook.com/blueprint
Blogging in Telugu Free Course :https://smarttelugu.teachable.com/p/how-to-start-a-blog-in-telugu

Learn Social Media for free online from Facebook Blueprint Training. Facebook blueprint training has complete facebook marketing and Instagram marketing topics.
Learn how to create Instagram stories, Instagram ads and how to optimize budgets and target audience on Facebook.

It also has different certifications which cost around 150$ each.But, blueprint certification needs to renew every year.