Unable to download c form from ctd portal

I'm not able to download c form from https://ctd.tn.gov.in/ portal got the error message as No Records Found for the period of 01/10/2016-31/12/2016 & 01/01/2017 - 31/03/2017 for 2 of our concern. But we have uploaded Annexure 8 for the particular month.

And When I try to generate SFCS form Summary report I was able to find the details but in the excel file Total Ann Value & Net Ann Value or same but at last it shows Difference in NEt Value and C form No is not mentioned on the same. Herewith I've attached sample file for your reference do help me with this on how to correct and download C form files for the same