Hello,

Institutes can provide you some technical know-how and a certification. But to actually Understand, Learn and pursue hacking you would need a high level of dedication the institutes offering ethical hacking;

• Jetking Infotrain 
• Pristine InfoSolutions
• Hindustan Institute of Technology and Science 
• IANT - Institute of Advance Network Technology
• Insparc Technologies Pvt. Ltd.
• NetTech India
• Innobuzz Knowledge Solutions, 

Hopw this helps, All the best!