Dear Aspirants .

I hope you are doing well !

its a good choice you wants to learn such  programming language like C, C++ ,Python so first off  you should go through from the basic level like what is binary number ,what is structure etc... this things are basic you can learn easily from the online free videos are available in google .After that you can join any of institute near by or you can learn from the online and some of the courses are free and some of course are paid so you can choose according to your choice .

But if you wants to join TCS ,Wipro then you have to strong in 3 to 4 areas like Aptitude, reasoning ,Verbal with basic coding knowledge. Interview processes is around 3 to 4 round like 1st round -Aptitude, reasoning ,Verbal .

• 2nd Round -Technical or Coding round
• 3rd round -HR round
• 4th round might be -PI or Personal interview

In that way they are hiring aspirants in their companies so prepare accordingly hope it will helpful

Thanks and best of luck