Mumbai (Maharashtra)/ New Delhi [India], March 21 (ANI/BusinessWire India): Cyril Amarchand Mangaldas advised JM Financial Institutional Securities Limited (JM Financial), the sole broker, on the block sale of shares of Sona BLW Precision Forgings Limited (Sona Forgings), resulting in exit of Blackstone Group from Sona Forgings, for a reported aggregate value of Rs 4,917 crore (approx.)