Section 80G of the Income Tax Act allows for deductions on donations made to specific charitable institutions. Eligibility for these deductions, which can be either 50% or 100% of the donated amount, depends on the donee organisation's 80G registration. You can find a comprehensive list of eligible institutions on the official Income Tax India website.
It is available for donations to specified institutions. You can view the full list in https://www.incometaxindia.gov.in/Pages/utilities/exempted-institutions.aspx