A complaint was registered against political analyst Ashish Nandy for writing a "derogatory article", police said on Friday.
The case has been registered under Section 153A (promoting enmity between different groups on grounds of religion, race, place of birth, language etc) and 153B (imputations, assertions, prejudicial to national integration), police said.
The complaint was filed by V K Saxena, President of National Council of Civic Liberties, an NGO.
According to NCCL, the article written by Nandy was "derogatory and presented Gujarat and its citizens in bad light".
The article was published in a leading daily soon after the Gujarat elections.