An IndiGo plane from Bengaluru to Varanasi suffered a technical problem on Tuesday and was diverted to Hyderabad.
The airline said an alternate aircraft was provided for the passengers to be flown to Varanasi.
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"IndiGo flight 6E897 from Bengaluru to Varanasi was diverted to Hyderabad as a precaution. The pilot noticed a technical issue and diverted to Hyderabad as a precaution", it said in a statement.
Currently, IndiGo said the aircraft is undergoing necessary inspection at Hyderabad.
Details about the number of passengers could not be immediately ascertained.