As you said you are studying and want to do job with it , so on your demand here I am telling list of Business Ideas which many students follow with their study in India

Mobile Food Shop
Small Grocery Shop
Advertisement Agency
Insurance Consultant
Gym or Fitness center
Relaxation Center
Xerox & Book Binding
Security or Spy Agency
Resale Auto Dealer
Personalized & Custom made Gift Store
Fast Food Parlor
Baby Sitting Services
Starting online Blog
Match Making or Wedding planner
SEO Consultant
Resume Writer
Computer Trainer
Interior Designer
Dairy & Sweet Parlor
Computer Shop
Freelancer
Catering service
Event Organizer
Book Store
Mobile Shop
Travel Agency
Yoga Center
Data Entry services
Antique Article Shop
Recruitment Firm
Web Designing & hosting
Ice-cream Parlor
Motivational Speaker
Tuition Class
Courier Company
Real Estate Consultant
Game Parlor
Packers & Movers
Jewelry maker
Photographer