Both leaders have been accused of denotifying land at Matadahalli Layout in R T Nagar, with Vimala, the mother-in-law of Kumaraswamy, and her son T S Channappa, also being named in the FIRs, Lokayukta Superintendent of Police Sonia Narang said.
Sections 13 (i) (c) and (d) and 13 (ii) of the Prevention of Corruption Act, pertaining to criminal misconduct by public servants have been invoked against Yeddyurappa and Kumaraswamy, Narang said.
Denotification is a process of returning government land acquired for a project to private parties. The process gathered pace after Kumaraswamy put up the files, and the land was denotified by Yeddyurappa as chief minister in 2010, social activist Jayayakumar Hiremath, who is the complainant, charged.
Janata Dal-Secular leader Kumaraswamy, predecessor to Yeddyurappa, had headed a Bharatiya Janata Party-JDS coalition government. Yeddyurappa had denotified one acre and 11 guntas (1/40th of an acre) of land, which was originally owned by Thimmareddy, Nagappa and Muniswamappa, Hiremath charged.
He also alleged that the Bangalore Development Authority had acquired the land for forming a layout Mathadahalli for which it issued the preliminary notification in 1976.
The land was taken into possession in 1988 after final notification and compensation paid to land losers subsequently, Hiremath said.
Besides these, charges under Sections 401 (criminal breach of trust by public servant), 418 (cheating with knowledge that wrongful loss may ensue to person whose interest offender is bound to protect), 420 (cheating), and 120 B (Punishment of criminal conspiracy) of the IPC have also been slapped against them.