Got Placed in a WITCH Company but Desperate to Start Earning — Which Skills Should I Learn for Freelancing + Long-Term Growth?

Final year CSE student here. Got placed in a WITCH company but joining is expected after ~1 month, and honestly I’m feeling very desperate to start earning.

I have decent coding skills and I’m willing to grind hard for the next few months. My goal is to learn a skill that can:

• Help me earn some money immediately
• Be useful long-term in my career
• Potentially help me freelance alongside my job later

People who started earning during college or alongside a full-time job:

1. Which skill gave you the fastest path to income?
2. Which skill is easiest to get freelance clients for as a beginner in India?
3. What would you learn in 2026 if your goal was both job security + side income?

Would really appreciate practical advice instead of “follow your passion” type answers 😅