Group A / B / C / D Services
The four tiers of state services by seniority: Group 1 posts fall in State Service Group A/B; Group 2 in B/C; Group 4 posts in Group C.
Related terms
An officer whose appointment is notified in the official gazette, with authority to attest documents. Group 1 posts like Deputy Collector and DSP are gazetted.
The 7th Pay Commission table of pay levels and cells that replaced pay bands and grade pay. Every post maps to a level; annual increments move you cell by cell.
A post's row in the pay matrix, fixing its starting basic pay and progression. Group 4 posts sit around Level 8; Group 1 posts start around Level 22.
The pay-matrix figure before any allowance. DA and HRA are calculated as percentages of it, and deductions come off the resulting gross.
The 6th Pay Commission add-on that indicated a post's seniority. Abolished by the 7th CPC and absorbed into pay-matrix levels; older notifications still mention it.
An inflation-linked allowance calculated as a percentage of basic pay and revised periodically by the government.
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This definition follows official TNPSC notifications and Tamil Nadu government orders. Sources: TNPSC official notifications. Figures are indicative and may change with each official notification. Data last reviewed: July 2026.
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