P-notes investments in the Indian markets, plunged to a seven-and-a-half year low of 1.25 lakh crore rupees at August-end this year.This was because of stringent norms put in place by capital market regulator, SEBI.The total value of P-notes investments in the Indian markets equity, debt and derivatives had hit a five-year low of 1.35 lakh crore rupees at the end of July.