According to Geological survey of India Rocks in Telangana are classified into four categories
- Orchian Rocks,
- Vindhya Rocks,
- Gondwana Rocks and
- Dravidian Rocks.
Peninsular Gneissic Complex Rocks are also abundant in the area. At places one can find Deccan Traps also
Mountains in Telangana:
Hill ranges in Telangana are part of Western Ghats and Eastern Ghats over deccan plateau. In general western ghats are referred as sahyadri/satnala. Yet their extended hill ranges are called by various names in various districts
WESTERN GHAT HILL RANGES IN TELANGANA
These extend up to North & North Western districts of Telangana. They are called with different names in different districts
Below are the various names as per the district
| Sl. No | Hillocks | Districts |
| 1 | Nirmal hills/Satmala hills | Adilabad and Nirmal |
| 2 | Rakhi hills | Rajanna Siricilla |
| 3 | Jagityala hills | Jagityal |
| 4 | Kandikal/Kangal hills | Mahaboobabad and Kothagudem |
| 5 | Sirnapally hill locks | Nizamabad and Kamareddy |
| 6 | Sirpur hill locks | Komarambhim Asifabad |
| 7 | Pandava hill locks | Jayashankar Bhupalpalli |
EASTERN GHATS HILL RANGES IN TELANGANA
These extend in the Eastern & South Eastern districts of Telangana State. These are also referred by different names in different districts. The list is as below
| Sl. No | Hillocks | Districts |
| 1 | Nallamala hills/Amrabad hills | Nagar Kurnool |
| 2 | Shabad hills, Koel hillocks | Mahaboobnagar |
| 3 | Ananthagiri hillocks | Vikarabad |
| 4 | Rachakondalu, Nandhi kondalu | Nalgonda |
| 5 | Papikondalu, Raju hillocks, Yellandula guttalu | Kothagudem |
| 6 | Veran hillocks | Mahabubabad |
| 7 | Kanigiri Kondalu | Khammam |
| 8 | Rayagiri Kondalu | Yadhadri Bhavanagiri |
Key Notes:
Among the western ghat hill ranges of Telangana, the highest range Mahaboob ghat is located in nirmal district of Telangana.
Hyderabad district is primarily made up of cardiorite naisys, hornblend biotite and Crystalline rocks
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