An Income Certificate is an official document issued by a state government authority, typically the Tehsildar's office in India, certifying an individual's or family's annual income from all sources. It serves as crucial proof of financial standing and is widely used for various purposes.

Its primary use is to avail government welfare schemes, subsidies, scholarships, and reservations in educational institutions, often aimed at economically weaker sections of society. It's also vital for tax relaxations, applying for certain loans, and receiving financial aid during natural calamities. To obtain one, applicants typically submit proof of identity, address, and income (like salary slips, IT returns, or affidavits) to the relevant district authority, either online or offline. The certificate usually has a validity of one financial year and needs to be renewed annually.