(5)The provisions of this section shall apply to the specified business referred to in sub-section (2) if it commences its operations,—(a)on or after the 1st day of April, 2007, where the specified business is in the nature of laying and operating a cross-country natural gas pipeline network for distribution, including storage facilities being an integral part of such network;(aa)on or after the 1st day of April, 2010, where the specified business is in the nature of building and operating a new hotel of two-star or above category as classified by the Central Government;(ab)on or after the 1st day of April, 2010, where the specified business is in the nature of building and operating a new hospital with at least one hundred beds for patients;(ac)on or after the 1st day of April, 2010, where the specified business is in the nature of developing and building a housing project under a scheme for slum redevelopment or rehabilitation framed by the Central Government or a State Government, as the case may be, and which is notified by the Board in this behalf in accordance with the guidelines as may be prescribed;(ad)on or after the 1st day of April, 2011, where the specified business is in the nature of developing and building a housing project under a scheme for affordable housing framed by the Central Government or a State Government, as the case may be, and notified by the Board in this behalf in accordance with the guidelines as may be prescribed;(ae)on or after the 1st day of April, 2011, in a new plant or in a newly installed capacity in an existing plant for production of fertilizer;(af)on or after the 1st day of April, 2012, where the specified business is in the nature of setting up and operating an inland container depot or a container freight station notified or approved under the Customs Act, 1962 (52 of 1962);(ag)on or after the 1st day of April, 2012, where the specified business is in the nature of bee-keeping and production of honey and beeswax;(ah)on or after the 1st day of April, 2012, where the specified business is in the nature of setting up and operating a warehousing facility for storage of sugar;(ai)on or after the 1st day of April, 2014, where the specified business is in the nature of laying and operating a slurry pipeline for the transportation of iron ore;(aj)on or after the 1st day of April, 2014, where the specified business is in the nature of setting up and operating a semi-conductor wafer fabrication manufacturing unit, and which is notified by the Board in accordance with such guidelines as may be prescribed;(ak)on or after the 1st day of April, 2017, where the specified business is in the nature of developing or operating and maintaining or developing, operating and maintaining, any infrastructure facility; and(b)on or after the 1st day of April, 2009, in all other cases not falling under any of the above clauses.