A case was also registered against the former director of the MDS and an official for their alleged financial misappropriation.
Mr Singh and the other accused have been charged with cheating, criminal conspiracy and breach of trust. The charges for breach of trust is non-bailable and are liable to be punished with three years of imprisonment.
The case against them alleges financial irregularities amounting to Rs 185.79 crore.
A Vigilance Commission report, on recommendation of the chief minister's office, named six people, stating that they are required for examination in the investigation into the alleged financial irregularities.
Mr Singh might move the Manipur High Court for anticipatory bail, sources said.
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