India's volatility index jumps to a four-week high

** India's volatility index INDIAVIX rises to four-week high of 12.32

** Nifty 50 NIFTY, Sensex SENSEX down over 1.25% each; small- CNXSMALLCAP and mid-caps CNXMIDCAP drop over 2%

** Nifty down nearly 6% over six sessions on concerns over high U.S. treasury yields, interest rates, Middle East conflict

** Avinash Gorakshakar, head of research at Profitmart Securities, also blames "lacklustre" earnings for volatility

** Expects further volatility ahead of Nov state assembly elections

** In 2023, NIFVIX has swung from a high of 17.71 on Jan. 30 in wake of Hindenburg's Adani report to a low of 10.14 on July 20