bahmni 0.93 installation problen in postgresql

i need to installation bahmni 0.93 version in centos 7.9. but we are facing postgresql installation . postgresql 9.6 not found. please help up installation doc following is: https://bahmni.atlassian.net/wiki/spaces/BAH/pages/33128505/Install+Bahmni+on+CentOS Installing Bahmni version 0.93 (Recommended)

Steps for Installing Bahmni v0.93