Contract work

Dear Sir,

Please suggest me upon below points.

I, ABC Construction, regular GST taxpayer, entered into contract with XYZ Poultry Farms.

1) How much GST rate and HSN code will be applicable?

2) Can " pure labour contracts" HSN "9955" exemption will apply here for ABC Construction? if  Yes/No ,please describe.

3) Is any Agriculture activity gives exemption (in case of Agriculture) to ABC Constrution?

4) If ABC Construction received Advance from Poultry Farms, than GST rate applicable or not?

Conditions :  1) ABC Construction provide only Labour Supply to XYZ Poultry Farms (Agriculture Business exempt for GST).

 Please suggests me as soon as possible for generate bill to party.

Thanks & Regards,

Pavan Kumar