Stamp Duty

A group of shareholders of a pvt ltd company are transferring their shares to existing group of shareholders, for which they have finalized a Share Purchase Agreement. What is the amount of stamp duty to be paid for executing Share Purchase Agreement. I know that for share transfer deed Form SH-4 the stamp duty is to be calculated as INR 0.25 for every hundred rupees of the value of share. But what will be the stamp duty for the Share Purchase Agreement. The company is based in Chhattisgarh.