Idea 14: Use of block chain as suggested on internet
I don't know much about blockchain but here are some ideas (it is an old post ) 1. Develop application to use blockchain to make online voting error free 2. Develop application to link aadhaar and criminal activity 3. Develop application to link aadhar and education, skills, earning etc. 4. Develop payment system based on only our biometric private key or DNA stucture or something similar