There are many practice management software for CA. But most of them are like create a project then allocate hours to it, etc. etc. They may work for very big firms which has big projects. But they are impractical for CA and tax professionals which mostly has income tax and gst returns work.
For such tax professionals there is another practice management software by TaxAdda. It is practical as well as reasonably priced. You can check out all the details from this page - TaxAdda PMS