In a major blow to the corporate sector, the Supreme Court today quashed allocation of 214 out of 218 coal blocks which were alloted to various companies since 1993 and in which it was claimed that around Rs. 2 lakh crores were invested. A bench, headed by Chief Justice R M Lodha, saved only four blocks — one belonging to NTPC and SAIL each and two allocated to Ultra Mega Power Projects — from being cancelled. The bench, also comprising justices Madan B Lokur and Kurian Joseph, granted six months breathing time to mining companies to wind up their operations in the coal blocks.