National and regional political parties received Rs 11,367.34 crore of total income during this period, as per a report by Delhi-based think-tank Association for Democratic Reforms. (Representational image)

New Delhi: Political parties received Rs 7,833 crore funding from unknown sources between 2004-05 and 2014-15, which is 69 per cent of their total income, with the Congress and the BJP witnessing maximum income from such sources, says a report.

National and regional political parties received Rs 11,367.34 crore of total income during this period, as per a report by Delhi-based think-tank Association for Democratic Reforms.

Similarly, the ruling party in Andhra Pradesh, the Telugu Desam, is among the top five regional parties in the country with the maximum declared income of Rs 145 crore, which includes Rs 45 crore from unknown sources. The TRS and YSR Congress have shown relatively less income with Rs 35.92 crore and Rs 23.47 crore respectively.