Disclosure of interest by directors

ABC  LTD COMPANY WANTS TO ENTER INTO A CONTRACT OF SOME WORK TO BE DONE WITH A COMPANY  WORTH RS 1 CRORE.. WHERE XYZ PVT LTD IS A PARTNER IN WHICH WIFE OF THE CHAIRMAN OF ABC LTD IS A DIRECTOR...(SO INDIRECTLY JOB IS BEING DONE THROUGH XYZ PVT LTD) WHETHER CENTRAL GOVT APPROVAL IS REQD OR BOARD APPROVAL IS SUFFICIENT... N WHAT DISCLOSURES ARE REQD TO BE MADE BY CHAIRMAN OF ABC LTD .....PLZ TELL IN BOTH CASES.. WHEN XYZ PVT LTD HOLDS MAJORITY SHARES i.e. 51% OR MINORITY SHARES i.e. 49% IN THAT COMPANY WITH WHICH ABC LTD IS ENTERING INTO CONTRACT WITH ... PLZ EXPLAIN WITH RELEVANT PROVISIONS..