Purchase with out form c & form 38

Dear According to My Knowledge.

1. Form"38" used for material value above and equal to Rs. 25000/-

2. Seller charged full tax so you can entered in a/c books entry without form "C" or purchase central 5% / 12.5% 

Include it in your purchase but you have not mentioned about the state where u r registered? C form'll issue after quarter not attach with movement of goods.