What the site does
Changsari, near Guwahati, is the network's only site in north-east India. The region's distance from major processing centres and its difficult terrain make formal battery collection expensive, so the yard opened in an AIIDC growth centre in 2024 to create a local consolidation point where batteries can be stored safely until a full, economical load is ready. Aggregators across the region are its main partners.
At 5,000 TPA it is the smallest yard in the network. It gathers two-wheeler, three-wheeler and small fleet batteries from Assam and neighbouring states, de-energises them and sends them onward in larger loads. Humidity and heavy rainfall shape how the site operates, from covered loading to moisture checks at intake. Custody records follow every unit onward. Damaged units are held in isolated storage.
What arrives at the gate
Feedstock at Changsari, Assam reflects its catchment and plant type. Every consignment is weighed, photographed and logged against the originating manifest before it enters the process area.
- Two- and three-wheeler batteries from Assam
- Batteries from neighbouring north-eastern states
- Small commercial fleet packs
- Aggregator consignments
The process, step by step
The 3 operating lines — hazmat transport staging, pack de-energising, module sorting & consolidation — run the sequence below.
| Stage | What happens |
|---|---|
| Booking & manifest | Pickup is scheduled against an approved manifest listing chemistry, pack count, mass and damage status. |
| Packaging supply | UN 3480 / UN 3481 approved containers, vermiculite and Class 9 labelling are supplied free on registration. |
| Collection & transit | ADR-class vehicles with trained hazmat crews and GPS telemetry move consignments to the yard. |
| Weighbridge intake | Consignments are weighed, photographed and reconciled against the manifest within 24 hours of arrival. |
| De-energising & sorting | Packs are discharged to safe state of charge and sorted by chemistry and destination plant. |
| Onward dispatch | Sorted material is dispatched to the assigned grading or refining plant with a full chain-of-custody record. |
What sets the site apart
North-east access. A registered collection option for a region far from processing centres.
Long-haul consolidation. Builds full loads so long transport routes become practical.
Safe interim storage. Monitored storage holds batteries securely until a load is complete.
Where material goes next
Material that Changsari, Assam does not finish on site moves to the nearest specialist facility in the network, keeping transport distances and dwell times down.
| Facility | Role | Distance |
|---|---|---|
| NCR — Gurugram Collection & Grading Hub | Cell Grading & Diagnostics | 1,463 km |
| Nagpur — Butibori Second-Life Works | Second-Life BESS Works | 1,425 km |
| Kolkata — Haldia Refining Works | Hydrometallurgical Refinery | 592 km |
Field note