Gst input credit rules for purchase office asset purchase

Dear Sir,

We open new office. And Office Interior work is going on.

1) Can calim GST Input Credit for this expenses? (Office Interior)

2) And GST Input is allowed for following expenses ?

Expenses for New Office

1) Office Interior Rs.3,00,000 

2) Tables & Chair Rs.50,000

3) Other Furnitures  Rs.50000

4) Electrical Exp Rs.75000

5) Air Contioner Rs.80000

6) Computer & Printer Rs.1,50,000  

Any GST rules for take input credit for purchase asset materials ?

Thanks & Regards,

M.Shanmugasundaram