An Aadhaar Seva Kendra (ASK) is a dedicated, air-conditioned center by UIDAI for all Aadhaar needs (enrollment, updates, prints) with specialized facilities, open 7 days. A Common Services Centre (CSC) is a broader digital access point for various G2C (Govt-to-Citizen) e-services, including Aadhaar updates, acting as a village-level digital kiosk for many government & private services. The District Office (like UIDAI Regional Office or CSC District Hub) oversees these operations, ensuring policy implementation