There are a wide range of documents that are considered address proof - Aadhaar card, driver’s licence, passport, voter’s ID, etc. You can apply for any. The majority of applications and processes require an Aadhaar card. Thus, getting an Aadhaar card will work as both identity proof and address proof. You can apply for Aadhaar by visiting the nearest UIDAI centre or online. Furthermore, individuals who are changing locations, they can get update their Aadhaar card by providing rental agreements, utility bills, etc.