SQL

Courses:
- Associate Data Analyst in SQL (DataCamp Certification available)
- Learn SQL Basics for Data Science Specialization
Books:
Python

Courses:
- Data Analyst in Python (DataCamp Certification available)
- Python for Data Science, AI & Development
Books:
Statistics

Power BI
Tableau

Courses:
Data Analyst in Tableau (DataCamp Certification available)
Machine Learning

Excel
Best Youtubers to Follow
Alex The Analyst – (Data analysis oriented)
Codebasics – (Data analysis heavy, but also covers data science topics)
Krish Naik – (Heavily focus on machine learning)
CampusX – (Best for machine learning in Hindi)
Data with Baraa – (Data analysis and data engineering oriented)
Luke Barousse – (Mainly focus on data analysis)
3Blue1Brown – (Excellent for mathematics)
StatQuest with Josh Starmer – (Must for statistics theory)
freeCodeCamp.org – (For general purpose, coding heavy)