CBI sleuths conducted raids at three houses of Ghatak in Asansol in Paschim Bardhaman district and one in Lake Gardens area of Kolkata.
The ED had earlier claimed that Abhishek Banerjee was a beneficiary of funds obtained from this illegal trade.
Six persons were rescued after being trapped in an abandoned coal mine at Jamuria in Asansol-Raniganj belt in Burdwan district on Saturday evening.
The incident occurred at around 7.30 pm on December 29 when a massive mound of earth came crashing down on excavators at Lalmatia open cast coal mine of Eastern Coalfields Ltd, the worst such disaster in over a decade.
The CAG report, tabled in Parliament on Tuesday, said because of non-deployment of pay loaders, South Eastern Coalfields Ltd, a CIL subsidiary, failed to utilise gainfully the existing crushing facilities and to earn an additional revenue of Rs 12.76 crore (Rs 127.6 million) during June 2010 and May 2011.
The CBI on Monday questioned relatives of Trinamool Congress MP Abhishek Banerjee in connection with its investigation into the multi-crore coal pilferage case.
After land, coal is turning out to be the latest hurdle to West Bengal's industrialisation drive.
The central probe agency had on Friday carried out a fresh round of searches in connection with the case, they said.
The miners were working on night shift when the mine caved in at around 5.30 am.
"The accident occurred near Darritola station, about 400 km from Raipur, when the Bishrampur-Bilaspur passenger train jumped rails at around 2300 IST," Korea Collector Durgesh Mishra said.
The Enforcement Directorate (ED) has summoned West Bengal Chief Minister Mamata Banerjee's nephew and Trinamool Congress MP Abhishek Banerjee and his wife for questioning in a money laundering case linked to an alleged coal scam in the state, officials said on Saturday.
An inquiry has been ordered by the Director General of Mines Safety and a high-level committee of experts has been constituted by Coal India to investigate the causes of the accident.
Amid the low stock position at the electricity generating plants, state-owned CIL has asked its subsidiaries to refrain from conducting any further e-auction of coal, except special forward e-auction for the power sector, till the situation stabilises. The development assumes significance as the supply of coal is being prioritised to the power sector to replenish the dwindling stock in the wake of reports of an electricity crisis looming large. "In view of the current low stock position at the powerhouse end, supply of coal is being prioritised to the power sector to replenish the dwindling stock...coal companies are advised to refrain from conducting of any further e-auctions of coal with the exception of special forward e-auction for the power sector, till the situation stabilises," Coal India said in a recent letter to its arms, including Eastern Coalfields Ltd (ECL), Bharat Coking Coal Ltd (BCCL), Central Coalfields Ltd (CCL).
Sahu fell into the unused 80-feet-deep borewell, located in the backyard of his house in Pihrid village in Malkharoda development block, around 2 pm on Friday while playing.
Abhishek Banerjee, Trinamool Congress MP and nephew of West Bengal Chief Minister Mamata Banerjee, was questioned for about nine hours by the Enforcement Directorate (ED) in New Delhi on Monday in a money laundering case linked to an alleged coal pilferage scam in the state.
These three blocks figure in the 'Schedule I' list of those coal mines, which are being auctioned afresh
The companies are crying foul over the cancellation of 25 blocks held by 68 firms over the past two days.