Beneath India’s Ancient Cities Lie Tunnels That Have Guarded Secrets for Centuries

10 December 2025

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Beneath India’s historic towns lie hidden tunnels and secret chambers, built for war, refuge or storage. These underground passages whisper tales of mystery and intrigue.

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1. Talatal Ghar - Assam

In Rangpur near Sivasagar, Assam, Talatal Ghar rises as a historic palace, concealing three underground floors and secret passageways below.

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Its tunnels stretch to the Dikhow River and Garhgaon Palace, designed as escape routes for royalty during conflicts.

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2. Amber Palace (Amer Fort) - Jaipur

Perched atop a hill in Amber, near Jaipur, Rajasthan, Amber Fort hides secret tunnels beneath its grand architecture, linking it to nearby Jaigarh Fort.

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These subterranean passages allowed royals to move unseen during attacks, combining defence with mystery and architectural brilliance.

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3. Charminar - Hyderabad

At the centre of Hyderabad, Telangana, Charminar stands iconic, with legends of underground passages connecting it to the distant Golconda Fort.

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Historians and locals believe these tunnels were escape routes or secret supply lines, though entrances have been lost to time and myth.

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4. Borra Caves - Araku Valley

Hidden in Araku Valley, Andhra Pradesh, Borra Caves plunge deep underground, revealing natural limestone tunnels and chambers carved by time.

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Extending 80 metres deep, the caves display magnificent stalactites and stalagmites, making them a spectacular natural underground wonder.

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5. Golconda Fort - Hyderabad

On a granite hill near Hyderabad, in the Deccan plateau, Golconda Fort stands vast; it is a fortress city once home to sultans, palaces and hidden corridors.

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Legends claim a secret underground tunnel ran from the Durbar Hall to palaces below the hill, meant as a royal escape route. Though the tunnel remains elusive, tales linger.

Photo Credit : Journeys across Karnataka