HTML

Resources:
w3schools.com
books
frontendmaster.com
free courses
build your 1st web page
github learning lab
introduction to html

CSS

Resources
w3school.com
books
Learn to Code Advanced HTML & CSS
free courses
build your 1st web page
github learning lab
introduction to html

JS

Resourcesw3schools.com
books:
jsbooks.com
Github learning lab
introduction to node js

C

Resources:
tutorialspoint.com
greeksforgreeks.org
Simple project
Snake game

C++

Resources:
tutorialspoint.com
greeksforgreeks.org
Simple project
brick-break

PYTHON

Resources
progate
greekforgreek.org
github learning lab
introduction to python

UI/UX

Resources
Icon8.com

Youtube
SketchappTV
guidelines UX Design: How To Get Started (A Full Guide)

APP DEVELOPMENT

Resources
App Tutorials

github learning lab
Android development

AI

currently not Available

Data Structure

currently not Available

IOT

resources
arduino.cc
developer.windows.com
Raspberrypi.org

Aptitude

resources:
indiabix