
In the year 1974 B.C.C.L introduced a payroll system which used the computer concept.Subsequently the computerization was introduced for ledger,relative reports etc.In the year 1982 first computer was installed at Kalyan Bhawan from Calcutta for data processing.Till now the Headquarters of B.C.C.L has been centralized through networking.Each area of B.C.C.L  has its own EDP department of data processing. COALNET…