The Nifty 50 unfold the "Contracting Triangle" which is one of three occur 80% in the price chart. One thing is important to remember is that, the wave "((e))" also sub-divide into smaller triangle.
Most common relationship for Fibonacci, the .618 but in this instance we have found the two fib. relationship .618 and .786.
Fib. relationship:
wave ((b))...