In a written reply in the Rajya Sabha, he said service records of 11,828 Group 'A' and 19,714 Group 'B' officers have been reviewed so far.
With a view to identify officials who may not be fit to be retained in the government service, instructions have been issued to all cadre-controlling authorities to review their performance or service records at all levels, he said.
Provisions of premature retirement was invoked or recommended against 30 Group 'A' and 103 Group B' officers, the minister said.
"The monitoring mechanism for reviewing the performance in conformity with the rule provisions has been strengthened and speeded up by activating review committees and representation committees for various levels and their work is now closely monitored," Singh said.
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Under this continuous process of review and monitoring, those who are found to be performing well are separated from the non-performers, who are then sought to be compulsorily retired, he said.
In reply to another question, he said four IAS and three IPS officers were dismissed from service in the past three years.
Besides them, penalty of removal from service on charges of prolonged unauthorised absence from duty was imposed against one Indian Forest Service officer of the Kerala cadre, it said, without revealing the name of the officer.
The penalty of dismissal from service against one IPS officer of the Jammu and Kashmir cadre was imposed as he was convicted under the Narcotics Drugs and Psychotropic Substance Act, 1985, the reply said.