Chennai(PTI): Popular yesteryear actor Chitra died here on Saturday following a cardiac arrest, sources close to her family said.
The 56 year-old multi-lingual actor, more popularly known as 'Nallennai' (gingelly oil) Chitra following her association with a top oil brand, is survived by husband and daughter. She passed away at her Saligramam residence here. Family sources said the funeral will take place in the city today.
Born in Kochi, Kerala, Chitra who earned the sobriquet 'Nallennai' after the gingelly oil advertisement in which she acted became popular, rose to fame in the Tamil film industry in the 1990s.
She has acted in a number of films alongside top stars including Rajinikanth, Sarathkumar and Prabhu.
Introduced as a child artist by Director K Balachander in 1975 in the national award winning Tamil film 'Apoorva Raagangal,' Chitra starred along with other popular actors like Kamal Haasan and Srividya as well.
She has worked in a number of Malayalam, Telugu and Kannada films as well. Chitra was cast as Mary Kutty along with top stars Prem Nazir, Mohanlal and Lakshmi in her first film Aattakalasham in Malayalam in 1983.
She has also starred in some tele-serials. Meanwhile, Kerala Chief Minister Pinarayi Vijayan, Congress leader V D Satheeshan, BJP state chief K Surendran and other leaders condoled the demise of the actress.
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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.