A fine of Rs 10,000 has been imposed on CIDCO by the National Green Tribunal. The fine is due to a delay in filing a report. The report in question pertains to a study on flamingo flights.

Further details about the study and the circumstances surrounding the delay are available from the source. The National Green Tribunal's decision to fine CIDCO has been made, but additional information about the case is not provided here.

The amount of the fine is a specific detail that has been disclosed, but other aspects of the case remain unclear without consulting the original source.