How do i use cascading select within ranking question in KoBoToolbox?

Hi @sarbeswar,

You could do the same as outline in the image below:

In the survey tab of your xlsform:

In the choices tab of your xlsform:
Image 2

Data entry screen as seen in Enketo:

Reference xlsform:
Ranking Questions & Cascading Select Questions.xls (31.5 KB)

Have a great day!