CBI has alleged that Hindalco was wrongfully allocated the Talabira II coal block in Orissa Central Bureau of Investigation has filed a fresh case in the coal block allocation scam against industrialist Kumar Mangalam Birla and former coal secretary P C Parekh. CBI has also named aluminium rolling company Hindalco in the FIR. This is the 14th case lodged by the CBI in the coal scam. The accused have been booked for criminal conspiracy under section 120B of the Prevention of Corruption Act. "CBI registers a fresh case in alleged irregularities in coal scam against the then Coal Secretary, M/s Hindalco, representative of Adita Birla Group, unknown persons and officials," agency spokesperson Kanchan Prasad said. ALSO READ: 7 things you wanted to know about 'Coalgate' CBI has alleged that the accused company was wrongfully allocated the Talabira II coal block in Jharsuguda district of Orissa in 2005. The investigation agency is conducting searches in Delhi, Kolkata, Bhubaneshwar and Mumbai. The $40 billion (about Rs 2.45 lakh crore) conglomerate has denied receiving any FIR and refuted allegations of any wrongdoing. Timeline: June 1993: Coal Mines (Nationalization) Amendment Act passed to allow captive coal mining Between 1993 and 2009: Govt allocates 210 coal blocks to private and public sector companies for captive consumption. June 1, 2012: CBI registers preliminary enquiry for coal block allocation between 2006 and 2009 August 17 2012: CAG alleges government extended undue gains to companies by not auctioning 57 blocks allocated between 2006 and 2011. August 27 2012: PM tells Parliament CAG’s assessment of Rs 1.86 lakh crore loss to exchequer through allocation of blocks not justified. September 2012: CBI begins grilling in alleged coal scam after CVC forwards complaints. Raids are conducts and FIRs filed. June 2013: FIR against JSPL Chairman Naveen Jindal. Former MoS coal Dasari Narayan Rao also named an accused. September 2013: Fresh PEs are registered by CBI into the missing coal files for allocations made from 1993 to 2009. October 15, 2014: CBI registers FIR against industrialist K M Birla and P C Parekh, former coal secretary.