The income from unknown sources refers to the funds declared in the Income Tax returns without naming the source for donations below Rs 20,000National parties collected Rs 11,234 crore donation from unknown sources from 2004-05 to 2018-19, according to the Association of Democratic Reforms (ADR), a think tank. For this analysis, the ADR said it considered the submission made before the Election Commission of India by seven national parties - BJP, Congress, Trinamool Congress, Communist Party of India (Marxist), Nationalist Congress Party, Bahujan Samaj Party and Communist Party of India (CPI).
The income from unknown sources refers to the funds declared in the Income Tax returns without naming the source for donations below Rs 20,000.