Mumbai: India's investor map is undergoing a significant shift, with the country's traditionally dominant western region steadily losing share to the north, as retail participation broadened across states, even where stocks have not been a popular investment avenue.North India, which overtook the West to become the largest contributor to the country's registered investor base in FY23, has consolidated its position further.The North region now accounts for 36.8% of all investors, compared with 29.1% for the West, according to data from NSE's Market Pulse report for July. South and East India account for 21.1% and 12.1%, respectively.Read more: Sebi plans a…