National parties collected Rs 3,377.41 crore from unknown sources in the 2019-20 fiscal year, which was 70.98 per cent of the total income of these parties, according to poll rights group Association for Democratic Reforms (ADR).

“During 2019-20, the BJP declared Rs 2,642.63 crore as income from unknown sources, which is 78.24 per cent of the total income of national parties from unknown sources,” the report said. The Congress declared Rs 526 crore. Other parties include NCP, CPI, CPI(M), TMC and BSP.