Air India — Provide Duplicate Boarding Pass

I and with my family have traveled from Delhi To Bagdogara on 16 th December 2020 and return Bagdogara to Ahmedabad on 23re December 2020. I have lost my boarding pass. I need duplicate boarding pass or any other travel proof for ta claim. My details are following
Name - Manish P Solanki
Travel :- Delhi to Bagdogara.
Tkt no[1][protected] [1][protected] [2][protected] [3][protected] [4][protected] [5][protected] [6][protected] PNR NO.Z9E7L
Date of journey - 16th Dec 2020, 8.45 am
Flight - AI 879

Travel :- Bagdogara To Delhi.
Tkt no[1][protected] [1][protected] [2][protected] [3][protected] [4][protected] [5][protected] [6][protected] PNR NO. HJVJM
Date of journey - 23rd Dec 2020, 11.40 am
Flight - AI 880

Travel :- Delhi To Ahmedabad
Tkt no[1][protected] [1][protected] [2][protected] [3][protected] [4][protected] [5][protected] [6][protected] PNR NO. HJVJM
Date of journey - 23rd Dec 2020, 16.40 pm
Flight - AI 531

Pls email my duplicate boarding pass or proof of traveling.
Email id - m.[protected]@gmail.com
Mobile - [protected]