evidence: The railway line, which passes through the ghat is the steepest in India with a gradient of 1 in 37 Pal Ghat The Palakkad Gap is located in the Western Ghats between the states of Tamil Nadu and Kerala. India at an elevation of about 140 m. The mountain pass is located between Nilgiri Hills in the north and Anaimalai Hills towards the south and connects Coimbatore in Tamil Nadu with Palakkad in Kerala. The mountain pass was an important instrument for human migration across India’s southern tip throughout settled history. List of Important Mountain Passes India 2024:- Download PDF Here Interesting facts about the Passes in India The Dungri la pass or Mana Pass is the high altitude mountain pass and the highest motorable road with an elevation of 18,399 ft. Jawahar tunnel was constructed under the Banihal pass. Shipki La is a Himalayan pass that connects India and China. Zoji La pass connects the Ladakh and Kashmir valley.