Communication failure

Delhi Fails to Pass Details, Delhi Is Not Responding

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

The exchange

3 turns in order
01
You, the pilot

Lucknow Approach IFLY 160 Heavy, negative contact with Delhi Control, position crossing control boundary Delhi-Kolkata ATS route FL 110, estimating LLK 0600

02
ATC

Roger, maintain this frequency, report LLK FL 110, Lucknow Approach

03
You, the pilot

Maintain this frequency, will report crossing LLK FL 110, IFLY 160