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Revenue Sources: Mining, Non-Tax, and Rajasthan-Specific Dynamics
Mining Royalties and Mineral Revenue
Rajasthan is India's most mineralogically diverse state and a significant non-tax revenue earner through mineral royalties:
| Mineral | Rajasthan's National Rank | Major Districts | Royalty Rate (Post-2021 Amendment) |
|---|---|---|---|
| Limestone | #1 | Jodhpur, Nagaur, Pali | 14% of Average Sale Price |
| Zinc-Lead | #1 (HZL monopoly) | Udaipur (Zawar mines) | District-specific; HZL royalty is significant |
| Marble | #1 | Rajsamand, Udaipur | As per MMDR Act rates |
| Sandstone | #1 | Dholpur, Bharatpur | ₹120/tonne |
| Granite | Major producer | Jalore, Pali | ₹225/tonne |
| Gypsum | #1 | Bikaner, Nagaur | ₹ per tonne rates |
| Oil & Gas | Major producer | Barmer (Cairn/Vedanta) | 20% royalty on crude oil value |
Source: Rajasthan Mines and Geology Department; MMDR Act 1957 as amended 2021
Barmer Oil Block
Barmer Oil Block: The Barmer-Sanchore basin operated by Cairn India (now Vedanta Limited) is India's largest onshore oil field. Key facts:
- Peak production of approximately 1.65 lakh barrels/day was achieved in 2012-13
- Current production is lower (~1.2 lakh bpd)
- Royalty at 20% of crude oil value (~$80/barrel) contributes approximately ₹3,000-4,000 crore annually to non-tax revenue
- Significant but volatile — revenue tied to global oil prices
IGNP Water Charges: The Indira Gandhi Nahar stretches approximately 649 km in Rajasthan (main canal), with branches reaching Jaisalmer and Bikaner. Collection efficiency has been poor — farmers pay substantially below actual water delivery costs, creating an irrigation subsidy burden that suppresses non-tax revenue.
Own Tax Revenue: Structural Observations
Rajasthan's tax-to-GSDP ratio (state own taxes as % of GSDP) is approximately 6.2-6.5% — below the desirable 8-9% level seen in more developed states like Maharashtra (9.2%) and Tamil Nadu (8.4%). Key structural constraints:
- Large informal economy: Traditional trade (gemstones, handicrafts, textiles) has significant informal components outside the tax net
- Agricultural exemption: Agricultural income is constitutionally exempt from income tax (List II Entry 46); land revenue has been marginalized as a revenue source
- Low per capita income: Rajasthan's per capita income of ₹1,85,053 (2024-25) — 7.5% below national average — constrains consumption and thus SGST base
- GST structure: Post-GST, states lost autonomous tax-setting power; the SGST rate structure is determined by the GST Council (Article 279A)
Both the 14th and 15th Finance Commissions recommended improving states' Own Tax Revenue as the primary route to fiscal sustainability, reducing transfer dependency.