Departure clearance

Unable to Comply Last Requirement of ATC Clearance, Flood Relief

7 turns, word for word from the oral. Read the pilot lines out loud.

The exchange

7 turns in order
01
You, the pilot

Mumbai Control IFLY 160 passing FL 210, unable to cross BOFIN at FL 270 due aircraft heavy, will be able to cross at FL 250

02
ATC

IFLY 160 report top of climb

03
You, the pilot

Top of climb 1210

04
ATC

IFLY 160 report your estimate BOFIN

05
You, the pilot

Estimate BOFIN 1200

06
ATC

Cross BOFIN 1200 or earlier and continue climb to FL 270

07
You, the pilot

Will cross BOFIN 1200 or earlier and continue climb to FL 270, will report BOFIN