Hello Kanchan,
When I tried with Sample Universe (eFashion) it worked with me.
Initially i was also getting same issue, but after setting 0.00 with arrow it worked for me.
Since you have already done many changes in report its not working.
As last try can you create new report with similar structure and just make changes as mentioned earlier??
Just give a Try 
Regards,
Sushil Padhye