IAS officers time scales

• * Junior Time Scale (entry-level)

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• * Senior Time Scale (four years of service) - equivalent to an Under Secretary

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• * Junior Administrative Grade (nine years of service) - Deputy Secretaries

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• * Selection Grade (13 years of service) - Directors

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• * Joint Secretary (GOI)
  

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• * Additional Secretary (GOI)

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• * Secretary (GOI) - highest rank (basic pay of 80,000 Indian rupees)

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• * Cabinet Secretary - only one (basic pay of 90,000 Indian rupees).