Probability & Statistics:

1. Probability Foundations for Electrical Engineers  by Krishna Jagannathan, IITM. (Link) 

2. Mathematics - Stochastic Processes - NPTEL. (IITD)

3. www.youtube.com/watch?v=VVYLpmKRfQ8&list=PL6C92B335BD4238AB probability & statistics.

4. For visualization of geometry, algebra, statistics and calculus application  https://www.geogebra.org/  & https://seeing-theory.brown.edu/index.html#firstPage 

Machine Learning & Data Sciences

1. Ian Goodfellow: Generative Adversarial Networks (NIPS 2016 tutorial). (Link)

2. OPEN AI. (Link)

3. Towards Data Science.

4. https://www.coursera.org/ 

5. Amazing videos for visualization of Neural Network and many more topics in YouTube 3blue1brown.

Some Interesting to follow

1. Birth of a Theorem - with Cédric Villani. (Link)

2. European Mathematical Society. (Link)

3. https://mathhire.org/jobs/academia 

4. (271) ICLR 2021 Keynote - "Geometric Deep Learning: The Erlangen Programme of ML" - M Bronstein - YouTube