Uncontrolled digging could erase Dharmasthala mass burial evidence: Soil scientist warns SIT
Bengaluru: A soil scientist, who has studied tropical lateritic soils, has released a note in anonymity, warning the Special Investigation Team (SIT) probing alleged mass burials in Dharmasthala (1994–2014) that improper excavation could permanently destroy critical forensic evidence.
The scientist cautioned that in the coastal, high-rainfall environment of Dharmasthala, bones from older graves are often not visually present due to the region’s acidic laterite soil, which accelerates decomposition. “In these conditions, the visual absence of bones does not mean there was no burial,” the expert stressed. “Chemical and microscopic soil analysis may be the only way to detect older graves.”
According to the soil scientist, Dharmasthala’s lateritic soil has a pH of 4.5–6, is porous and rich in iron and aluminium oxides, and is subject to over 3,500 mm of annual rainfall. These factors together cause rapid bone mineral dissolution and collagen breakdown. “In as little as 15–20 years, complete skeletons can be reduced to just teeth, enamel shards, or micro-residues,” the scientist said.
Drawing on comparisons with Rwanda, Cambodia, Sri Lanka, and Srebrenica, the scientist estimated that:
- Graves less than 15 years old have a reasonable chance of yielding skeletons.
- Graves 15–20 years old may yield only partial skeletons and teeth.
- Burials older than 20 years often retain only chemical signatures and microscopic fragments.
“In Dharmasthala’s soil, the probability of finding a full skeleton after two decades is near zero,” the expert said.
‘JCBs will destroy what’s left’
The soil scientist was particularly critical of the use of heavy machinery in the investigation. “Uncontrolled digging with JCBs can obliterate brittle bone fragments, erase burial stratigraphy, and mix burial soil with surrounding soil, diluting chemical signals,” he warned. “It’s equivalent to destroying the crime scene.”
The scientist emphasised that disturbed lateritic soil can quickly resemble undisturbed ground, making it almost impossible to detect graves later.
GPR as a map, not a microscope
The expert also noted that Ground Penetrating Radar (GPR) could play a limited role in the investigation. “GPR can help locate soil disturbances, but in wet, iron-rich lateritic soils, it cannot ‘see bones.’ For burials decades old, chemical analysis of soil is far more reliable,” he said.
Call for controlled forensic exhumation
The soil scientist urged the SIT to stop all mechanical digging and adopt a forensic protocol:
- Use GPR or other non-invasive methods to locate anomalies.
- Excavate in small, measured layers under forensic supervision.
- Collect soil samples for chemical and microscopic analysis.
- Sieve soil to recover micro bone fragments and teeth.
“Only a controlled, scientific approach will preserve what little evidence may remain in this environment,” the scientist said. “If these traces are destroyed, the truth about the alleged burials may never be proven.”
The SIT is investigating allegations of mass burials linked to the disappearance of individuals between 1994 and 2014 in Dharmasthala. No official response to the scientist’s concerns has been issued.
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Odisha: Normalcy returns to violence-hit Malkangiri; internet services fully restored
Malkangiri (PTI): Normalcy returned to Odisha’s Malkangiri district on Monday, nearly a week after around 200 villages were damaged in violent clashes in a village, with the district administration fully restoring internet services, a senior official said.
Additional District Magistrate Bedabar Pradhan said internet services, suspended across the district on December 8 to curb the spread of rumours and misinformation following the clashes, were restored after the situation improved.
The suspension had been extended in phases till 12 noon on Monday.
The administration also withdrew prohibitory orders imposed under Section 163 of the Bharatiya Nyaya Sanhita within a 10-km radius of MV-26 village, where arson incidents were reported on December 7 and December 8.
Though the violence was confined to two villages, tension had gripped the entire district, as the incident took the form of a clash between local tribals and Bengali settlers following the recovery of a headless body of a woman on December 4, officials said.
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The violence broke out after residents of Rakhelguda village allegedly set ablaze several houses belonging to Bengali residents, forcing hundreds to flee. The headless body of Lake Podiami (51), a woman from the Koya tribe, was recovered from the banks of the Poteru river on December 4, while her head was found six days later at a location about 15 km away.
Officials said the district administration held several rounds of discussions with representatives of the tribal and Bengali communities, following which both sides agreed to maintain peace.
Relief and rehabilitation work has since been launched at MV-26 village, with preliminary assessment pegging property damage at around Rs 3.8 crore.
A two-member ministerial team headed by Deputy Chief Minister K V Singh Deo visited the affected village, interacted with officials and locals, and submitted a report to the chief minister.
So far, 18 people have been arrested in connection with the violence, the officials said, adding that despite the withdrawal of prohibitory orders and restoration of internet services, security forces, including BSF and CRPF personnel, continue to be deployed to prevent any untoward incident.
On Sunday, Nabarangpur MP Balabhadra Majhi visited MV-26 and neighbouring Rakhelguda villages, and held discussions with members of both communities as part of efforts to rebuild confidence and restore peace.
More than two lakh Bengali-speaking Bangladeshis were rehabilitated by the Centre in Malkangiri and Nabarangpur districts in 1968, and they currently reside in 124 villages of Malkangiri.
