Contract employe can be regular - if contractor does not have a license?

Agr contractor k pas licence na ho to kya employees principal employer k under aate h.
2.kya permanent employee number contract employees ko issue kiya jata h
3.kya principal employer retirement date daal skta h
Kya employee regularisation k liye case daal skta h agr ye sb ho to apki shayata chahiye mughe