Raagas are born from Thaat.That is the reason Thaat is known as Janak(one who gives birth)and raagas born from it are known as Janya raag.Samprakritik Raag is a form of Janya Raag.Raagas born from a Thaat,having similar swar but still different from each other are known as Samprakritik Raag.For eg:
- Bhupali,Deshkar,ShudhKalyan.
- Bhairav,Kalingda,Ramkali.
- Sohini,Marwa,Pooriya etc.