Hi @TanayPatil
First of all sorry for late response. Got busy with works.
I have explored webapi feature and tried the api to extract cloud flows and desktop flows data. For me cloud flow data and desktop flow data is captured by api as expected.
I have tried something simmilar only

It gave all details of cloud present in solutions created in Power platform.
Note one point here :-

I think webapi will only list those flows which are part of solutions. If not part of solutions but in the my flows section- it won't list those flows.
Also Note one thing here- All desktop flows are created in Default Solution by default. So that is why when you retrive desktop flows data - it captures all desktop flow details.
Just to check with you, does your cloud flows are part of any solutions in power automate ?