Poorvang and Uttarang - In Indian music, a scale is divided into two parts. The first part is considered from 'Sa' to 'Ma' or 'Pa,' and the second part is considered from 'Ma' to a higher 'Sa' or 'Pa' to a higher 'Sa.' In other words, the relative pitch elevation of 'Sa Ri Ga' is almost the same as that of 'Pa Dha Ni.' To put it differently, if we start by saying 'Sa Ri Ga' and then say 'Pa Dha Ni,' considering '1 as Sa,' if we say 'Pa Dha Ni' instead of 'Sa Ri Ga,' the relative pitch of these three notes will sound the same as it did initially with 'Sa Ri Ga.'
Now, when we add 'Ma' after 'Sa Ri Ga,' it forms one part of the four notes, and similarly, when 'Sa (higher)' is added after 'Pa Dha Ni,' it forms its counterpart as another part. In this way, these are two equal parts of the octave of notes. Among these, the first part, 'Sa Ri Ga Ma,' is called 'Poorvang,' and the second part, 'Pa Dha Ni Sa?,' is called 'Uttarang.'
When singing ragas, it's essential to understand these terms, as some ragas are more 'Poorvang-pradhan,' while others are more 'Uttarang-pradhan.' If a raga is 'Poorvang-pradhan,' it will evoke a different emotional expression, and vice versa.
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