I need to export only the hv,hh,vh,vv bands in csv file. Is it possible?

I have exported to csv file , but I have found that all the pixel information are been exported as a result huge number of columns are been created. I want to work with selective bands. So how can I export only those in csv file?

You can do a subset first (In the menu at Raster / Subset…). Remove all bands you don’t need and then do the CSV export

thank you sir, but I am getting Latitude , Longitude, Slant Angle also. I don’t want these . Is there way to avoid those?

No, these are fixed at least Lat and long. Slant Angle should be possible to get rid of by the subset operation.
But anyway, you need to remove lat and long values manually.

thank you sir, that will be all.