Guwahati: The Assam chief minister's special vigilance cell on Monday filed a chargesheet against deposed director of the state information and public relations (IPR) department, Ranjit Gogoi, for his alleged involvement in an over Rs 30-crore advertisement scam in the department during the tenure of the previous Tarun Gogoi government.

In the chargesheet, which was filed at the Special Court, Assam, Gogoi was charged under different sections of the IPC and the Prevention of Corruption Act.

He was arrested by the vigilance cell in this case on November 7 last year and is currently in judicial custody.

There have been allegations of largescale financial anomalies in implementation of the Vision Assam and Mission Assam (VAMA) campaign of the state government by the directorate of the IPR under the supervision of the chief minister's secretariat in 2015-2016.

It was also alleged that a section of IPR officials, including Gogoi, had colluded with some private advertising firms like Brahmaputra Television Network, Delta Publicity and Pradit Advertisement and misappropriated public money to the tune of over Rs 30 crore in the name of implementing VAMA in the run-up to the Assembly polls in 2016.

An official source said the vigilance cell on Monday had also filed a chargesheet against two former executive officers of Guwahati Wholesale Consumers Co-operative Society Ltd, Rajdeep Nath and Bidhan Saikia, in the special court.

"During investigation it was found that both the accused had misused their official positions and misappropriated government funds belonging to the cooperative society to the tune of several lakhs of rupees for their wrongful gain," the source said.

The scam took place between 2005 and 2007 when the two were executive officers of the cooperative society.