How to pay professinal tax online in hyderabad telangana sta

Hi can any one help me to pay professinal tax online in telangana portal.

https://www.tgct.gov.in

https://www.tgct.gov.in/tgportal/DLRServices/Payments/e-PaymentGen.aspx

i am confused at select purpose, what we need to select to pay individual professonal tax.

i am having my professinal tax tin mumber. i want to pay for the period 1st  april 2017 to march 31 2018

Regards,

Hari