3 turns, word for word from the oral. Read the pilot lines out loud.
Nagpur Control IFLY 160 Heavy, position 80 NM inbound Nagpur on Mumbai-Kolkata ATS route, deviated left by 30 NM due severe turbulence, had lost contact with you, will fly on 40 NM more before resuming normal navigation, request climb FL 350
IFLY 160 cleared climb FL 350, report when resuming normal navigation
Wilco