The affix kap does not come after a bahuvrīhi samāsa ending in the word bhrātṛ when it means 'praised'.,
The word वन्दितः means 'praised', 'respected' &c. Thus शोभना भ्राताऽस्य = सुभ्राता 'one having a good brother'. Why do we say when it means \praised\, Observe मूर्खभ्रातृकः, दुष्टभ्रातृकः ॥,