1) DigiLocker means digital locker. It is the digital online service of uploading and fetching the documents provided by government of India under its Digital India initiative. This service has launched by our Prime Minister Narendra Modi on 1 July 2015 . Most of the documents we can download from this DigiLocker. 2) DigiLocker has many organizations where people can download their original documents. E.g. - we can download digital driving license before it reaches physically at our home. We can get Aadhar number, life insurance policies, car or two-wheeler insurance etc. on DigiLocker. Everything is available on DigiLocker. So it is being popular among users. 3) DigiLocker has 4 main pillars. i) User - who possess the Aadhar number they can register to DigiLocker. To get OTP, our mobile number should be linked with Aadhar. ii) Issuer (Organizat...