Global perception of corruption in India increased marginally with it being ranked 84 in 2008, slipping 12 ranks against 72 last year, on the corruption perception index. Its integrity score on corruption perception index fell from 3.5 in 2007 to 3.3 this year on the scale of 1 to 10.

The country with a higher score is rated more honest than the ones with lesser score. "One wonders whether bundles of currency notes displayed in Parliament during the trust vote debate in July had influenced such as assessment," said Admiral (Retd) R H Tahiliani, chairman Transparency International-India, the NGO that released the report on Tuesday.

The TI-India rated police as most corrupt followed by politicians. Among states, Bihar and Jammu and Kashmir have extreme corruption followed by Orissa and Madhya Pradesh.

India's arch rival in business, China, improved its integrity score marginally to retain its ranking at 72. The saving grace for India was that it had been rated as least corruption nation in south Asia after Bhutan.