Jet Airways — loss of mobile iphone 6 during flight

Address:

Ernakulam, Kerala, 686661

During my journey in delhi-kathmandu flight on 09th may, in flight no.9w - 0260 class v, i lost my i-phone 6 with sim card no.[protected]. On my enquiry at kathmandu air port, it was informed that they have no information and asked me to enquire at delhi air port.
Please enquire this matter and do the needful to retrieve the mobile phone and return to me.
Regards,
Sibu cherian,
Director,
Marymatha construction company,
Marymatha square,
Arakuzha road,
Muvattupuzha,
Kerala 686661