India's Avantel logs deepest-ever fall after Q2 profit slump
** Shares of Avantel AVAN.NS fall 12.4% to 166.9 rupees, their biggest-ever intraday-pct fall ** Satellite communication services provider's Q2 net profit plummets ~81% Y/Y, hurt by weakness in its communications segment; overall rev down ~28% ** Over 13.7 shares traded, over 2x the 30-day avg ** Stock up 14% YTD (Reporting by Aleef Jahan) ((aleefjahan.cs@thomsonreuters.com))