In Nehra History
Nehra Jats ruled in Rajasthan over an area of 200 sqaire miles. In fifteenth century Nehras ruled at Narhar in Jhunjhunu district. At Naharpur, 16 miles down below the Nehra Hill, their another group ruled. At the end of 16th century and beginning of 17th century there was a war between Nehras and Muslim rulers. The Nehra chieftain Jhunjha or Jujhar Singh won the war and captured Jhunjhunu town. Later at the time of victory ceremony he was deceived by Shekhawat Rajputs and killed. Jhunjhunu town in Rajasthan was established in the memory of Jujhar Singh Nehra the above Jat chieftain. There were 1760 villages under the rule of Nehras in Rajasthan.
About Narhar, Thakur Deshraj writes that it was ruled by Nehra Jats. Nehra jats ruled in Rajasthan over an area of 200 square miles. The Nehra hills of Rajasthan were their territory. To the west of Jhunjhunu town is a Hill 1684 feet above see-level and visible from miles around. . This hill near Jhunjhunu town is still known as Nehra Hill in their memory.  Another hill was known as Maura which was famous in memory of Mauryas. Nehra in Jaipur was the first capital in olden times. In the fifteenth century Nehras ruled at Narhar, where they had a fort. At Naharpur, 16 miles down below the Nehra Hill, there another group ruled. The present Shekhawati at that time was known as Nehrawati. 
At the end of 16th century and beginning of 17th century there was a war between Nehras and Muslim rulers. When Nehras were defeated by nawabs, they used to offer gifts to the Nawabs on special occasions, due to this they were also called 'Shahi bhentwal'. 
In Chauhan records
Dasharatha Sharma in "Early Chauhan Dynasties" [Page-176] writes about Jalor Chauhan ruler - Chachigadeva. We have eight inscriptions for Chachigadeva, the son and successor of Udayasimha. These range from V. 1319 to V.1333. The earliest is the Sundha Inscription of V. 1319 edited by Dr. Kielhorn in EI, IX. pp. 74ff. Some three years earlier however than the earliest of these (which belongs to V. 1319) is the record of a pratishtha at Jalor, dated the 6th of the bright half of Magha V. 1316. It states that Padru and Muliga put a gold cupola and gold dhvaja on the temple of Shantinatha at Suvarnagiri in the reign of Chachigadeva (Kharataragachchhapattavali. p. 51).
- "Hating his enemies as thorns" states the Sundha Inscription "he destroyed the roaring Gurjara lord Virama," enjoyed the fall of the tremulous (or leaping) Patuka, deprived Sanga of his colour and acted as a thunderbolt for the mountain, the furious Nahara".
Dasharatha Sharma writes that The "furious Nahara" of the inscription, again, is equally unidentifiable. But we know from Jat history above that नहराचल means Nehra Mountain. There is a mountain in Jhunjhunu called Nehra Pahad which in Sanskrit is called नहराचल. Thus Nehras were rulers in Vikram Samvat 1316 (1260 AD). 
Nehra Pahad in literature
- नेहरा पहाड़ बोलता (शेखावाटी अंचल पर आधारित ऐतिहासिक उपन्यास)
- लेखक:राजेन्द्र कसवा, Mob-9414668488
- प्रकाशक:मानव कल्याण संस्था, बी-४, मान नगर, झुंझुनू (राजस्थान),
- प्रथम संस्करण २००६, मूल्य रु. २५०/-
- Thakur Deshraj, Jat Itihas pp.614-615. Cite error: Invalid
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<ref>tag; name "Thakur Deshraj" defined multiple times with different content
- Mahendra Singh Arya et al: Adhunik Jat Itihas, p.261,s.n. 83
- Bhim Singh Dahiya: Jats the Ancient Rulers, p.233
- Epica Indica, Vol. IX, p. 74 ff
- Dasharatha Sharma:"Early Chauhan Dynasties", p.177
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