There are a number of organizations who are unaware of the reason as to:

a) Why the refunds are not being credited or

b) Why they are receiving notices for payment of outstanding demand or adjustment of refund with such demand. 
So, the Team NGOenabler have come up with their second newsletter for the month which will give an insight into the answer to the above questions which is constantly there in your mind.

https://ngoenabler.com/wp-content/uploads/2020/06/Newsletter-13-All-about-income-tax-refund.pdf