Cruise, en route

Unable to Climb to Required Level

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

The exchange

3 turns in order
01
You, the pilot

Mumbai Control IFLY 160 passing FL 230, unable to cross 60 DME at FL 290, will be able to cross at FL 270

02
ATC

IFLY 160 Mumbai Control climb FL 250 and maintain due to reciprocal traffic, expect climb after Goa

03
You, the pilot

Climbing FL 250, further climb after Goa