Archaeologists Race Against Monsoon to Unearth Elephanta's Ancient Waterworks
On the rocky terrain of Elephanta Island, surrounded by the saltwater of Mumbai Harbour, a team of archaeologists is in a desperate race against time. With the monsoon rains approaching, they are working tirelessly to excavate and document ancient water management systems that could rewrite the history of this UNESCO World Heritage Site.
A Remarkable Discovery Emerges from the Earth
At excavation site ELP-2 in Morabandar, archaeologists have uncovered what they describe as one of the Archaeological Survey of India's most significant recent finds: a massive 1,500-year-old stepped reservoir. The structure measures an impressive 14.7 meters long and 10.8 meters wide, with twenty steps descending deep into the bedrock.
"On an island with post-monsoon water scarcity, such structures are absolutely essential," explains Abhijit Ambekar, superintending archaeologist at the ASI. "Unlike rock-cut cisterns found at cave-monastic sites, this reservoir was built from scratch—possibly predating the stepwell tradition of the 7th century CE."
More Than Just Sacred Caves
The discovery is transforming our understanding of Elephanta Island, known locally as Gharapuri. For centuries, the island has been celebrated primarily for its magnificent cave sculptures dating to the 5th-6th centuries CE. However, the stepped reservoir and other infrastructure findings suggest the site served as a critical node in a thriving international trade network.
"The excavation is steadily dismantling the idea of Elephanta as purely a sacred site," notes Chaitanya Dubey, a freelance archaeologist from Amravati working on the project. Evidence indicates the island may have functioned as a specialized anchorage or trans-shipment point when the nearby trading hub of Sopara (modern Nalasopara) silted up between the 4th and 5th centuries CE.
International Connections Revealed Through Artifacts
The archaeological team—hailing from institutions including Deccan College Post-Graduate and Research Institute in Pune and KJ Somaiya College in Mumbai—has uncovered compelling evidence of Elephanta's international connections:
- Torpedo jars with distinctive missile-shaped designs, different from Mediterranean amphorae
- Marine fish bones and sand deposits suggesting the shoreline once extended further inland
- More foreign pottery shards than indigenous ones in some excavation pockets
- Charred rice grains indicating the diet of ancient inhabitants
Art historian Ketki Mahajan highlights another significant find: "A tiny terracotta elephant—a miniature of the original statue that gave the island its name."
Engineering Marvels of Ancient Water Management
The rocky terrain of Elephanta Island, composed of two hills and a narrow valley, presents significant water challenges. Most rainwater runs straight into the sea, making water storage systems crucial for sustaining human settlement.
Dubey points to natural features that guided the excavation: "Rain gullies over centuries sliced through buried structures and objects, exposing edges. That's how we located various structures on the site."
At ELP-1, workers have uncovered two massive storage jars—one four feet tall—that were likely used for water storage. The scale of construction is particularly impressive considering the materials used.
"The stone and brick used here aren't local—they were ferried in," Ambekar emphasizes. "Imagine that scale of investment in ancient times."
A Race Against Nature and Time
Since November of last year, researchers have been camping in island guest houses, commuting daily to the six excavation "pockets" at Morabandar. The project has cost approximately 50 lakh rupees so far, with much of the budget dedicated to excavation work.
Before the monsoon arrives, the team must:
- Complete documentation of all findings
- Relocate fragile artifacts like the storage jars
- Prepare the site for protection during heavy rains
- Begin restoration work through the ASI's Science Branch
The storage jars will eventually be displayed at the entrance to the Elephanta Caves, allowing visitors to appreciate this new dimension of the island's history.
The Human Element of Archaeology
The excavation brings together specialists in numismatics, ceramics, art history, and structural archaeology, working alongside laborers from Palghar who comb, sieve, and sort the island's reddish-brown soil. One worker from Rajasthan has been dedicated solely to searching for ancient grains.
For many team members, including Dubey, archaeology represents a seasonal and uncertain career path. "I don't have a permanent job yet," he acknowledges with a smile, knowing he will soon move to another site, another contract once this excavation concludes.
As the monsoon clouds gather on the horizon, each day brings new discoveries and new urgency. The race to uncover Elephanta's ancient waterworks before the rains continues, revealing layer by layer the sophisticated engineering and international connections that sustained life on this rocky island fifteen centuries ago.



