Some paper documents with the name of the Saradha Group written on it were found in a dumping ground near Harinavi at Sonarpur in South 24-Parganas on Monday morning.
Police said that the bundles of documents were found in a sack and several bags in the dumping ground.
A rag picker first saw and opened those bags.
Finding all packed with documents he called an owner of a nearby tea-stall.
The tea-stall owner checked the documents and found that the names of different companies of the Saradha Group were written on the papers.
Local people gathered in the area and informed the police.
Policemen from local police station went to the spot and checked the documents.
A police officer said that there many leaves of cheques with the name of the Saradha Realty India Limited written.
There were many forms to open accounts of people under various chit-fund schemes.
Some documents which look like challans with the name of the realty company printed were also found.
Police suspect that someone had dumped those documents on Sunday night.
“It could be that some agent of the Saradha Group had dumped the documents when there was no one in the area. But the reason behind doing this is unknown,” said a police officer from Sonarpur police station.
When asked whether they will contact the Enforcement Directorate or the Central Bureau of Investigation to hand over the documents as they are probing into the scam, the officer said that they have informed the senior police officers of the district.
A senior police officer said: “We have no problem handing over the documents if the investigating agencies need it for the sake of the probe.”