"We have written a letter to Raju, demanding a high-level probe into the incident by the Civil Aviation Ministry to unfold the truth and reasons for the dilly-dallying attitude of the Air Traffic Controller, NSCBI airport," TMC vice-president Mukul Roy told reporters.
"We hope the inquiry report will be given to us within a fortnight or a month from the date of receipt of the letter," Mr Roy said.
A political row has erupted over Mr Banerjee's IndiGo flight from Patna to Kolkata being made to wait despite the plane reportedly low on fuel with TMC members raising the issue in parliament today.
"This is nothing but a conspiracy to kill our chief minister as she has raised voice against demonetisation and is touring the country to organise a mass movement against the anti-people decision. We think a proper inquiry should be held to unearth the truth," Mr Roy said.
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