4 turns, word for word from the oral. Read the pilot lines out loud.
Mumbai Approach IFLY 160 Heavy, negative contact with Delhi Tower, climbing 3500 for FL 70
IFLY 160 Mumbai Approach, maintain this frequency, climb as cleared, reciprocal traffic INDAIR 430 Heavy descending to FL 70, estimate to cross at 37 DME
Climbing as cleared, reciprocal traffic INDAIR 430 Heavy descending to FL 70, estimate to cross at 37 DME IFLY 160
Mumbai Approach IFLY 160, DME 37, INDAIR 430 has reported DME 26, request climb FL 330