Correct Answer - Option 3 : Atharamura range
Explanation:
- Tripura Hills lies in the middle part of the Chittagong-Tripura folded belt and falls within the Indian Territory.
- Five or six ranges of hills with north-south elongation run parallel having an average distance of about 20-km from each other.
- These ranges and the valleys between them increase in height as they approach the east.
- The principal hill ranges beginning from the east are - the Jampuri, Sakkanklang, Langtarai, Athara-mura and Deotamura ranges.
- The elevation of Tripura Hills varies from 60m to 120m and further east it rises to over 600m.
- The highest peak, the Betling Sib, is in the Jampuri Range with an elevation of 975m.
- These hills are composed of sediments of Paleocene through the Pleistocene age.
- Each successive ridge of hills to the east rises higher than the one before; the low Deotamura Range is followed by the Artharamura, Langtarai, and Sakhan Tlang ranges.
Jampui Range - 74 Km
Shakam range - 48 Km
Atharamura range - 106 Km
Baramura-Deotamura range - 85 Km
