 The inscriptions present the world's oldest numeration symbols for "2, 4, 6, 7, and 9" that resemble modern era numerals, more closely those found in modern Nagari and Hindu-Arabic script.Nanaghat pass stretches over the Western Ghats, through an ancient stone laid hiking trail to the Nanaghat plateau.The pass was the fastest key passage that linked the Indian west coast seaports of Sopara, Kalyan and Thana with economic centers and human settlements in Nasik, Paithan, Ter and others, according to Archaeological Survey of India.