If angle x is divided into two parts such that the tangents of one part is C times the tangent of other, and phi is their difference, then show that sin x = C 1/C-1 × sin phi.
I have taken the GSTTIN no. So how to file return or generate challan. First I create challan or return?. Actually in my GST portal, there is no option of return available, only show challan option. Please help me. I will file zero amount challan.