Please suggent me what are compliences required

Mr. X is the principal Employer. Pricipal employer many contractor like A, B, C, D, E. A contractor provides 5 amnpower , B provides 9 manpower , C provides 8 manpower , D provides 3 manpower , E contrator provide 7 manpower . Please suggent me what compliance required for principal employer and contractor required

PE need to comply all the compliances under Contract labor Act. Except labor license contractor too need to comply all the compliances under the Act.