covered by the decision of this Court in Banwari Lal v. State of lJihar ('). There, Das Gupta .J., delivered the judgment of the Court. As it is contended that the ~aitl deoitiion should be confined only a. oa.se where a Mining Boa.rd has been validly constituted under the Act a.nil should not be applied to a oaee where such a. Boa.rd has not been constitu-· ted, it would be necessary to scrutinize the decision carefully to a.scertain the· exact scope of the ea.id 'decision. The facts of that case where there wa.s a.n accident in the Central Bhowra Colliery in Dha.nba.d in Bihar, as a result of which 23 persons lost their lives ; the Regional lnspecwr of Mines, Dhanba.d filed a complaint against the appellant for allegedly committing an offence under s. 74 of the Mines Act, 1952, i.e., for contravening regulations 107 a.nd 127 of the Coal Mines Regulations; 1957 ; after the Sub-Divisional Offioer took cognizance of the complaint, the appellant made. an application to the Patna. High Court under Act. 226 of the Constitution contesting the validity of the said proceedinga on the ground, inter alia, that there wa.s no Mining · Board constituted under s. 12 of the Act a.nd therefore the Central Government ha.d made the Regulations without consulting Mllling Boa.rd a.s it sh )Uld do under. 8. 59 ( 3) of the Act. The second ground on which a prayer for qua.Bhing the proceedings was based, wit}). which a.lone we a.re now concerned, was stated in the judgment thus : ••the Coal Mines· Regulations, 1957, a.re invalid having been framed in contravention of s. 59(3) of the Mines Act, 1952." The. conten• tion of lea.med counsel, who ela.bota.ted this ground, was stated thus ; "As regards the other contention that the regulations are invalid the appellant's argu· ment is tha.t the provisions of s. 12 a.nd 8. 59 of the Mines Act, 1952, a.re mandatory." Then the learned Judge quoted in extenso s. 59(3) of the A'ot and