Indigo Airlines — Stolen, irresponsibility of Indigo airline,staff,crew

I was travelling from Ahmedabad to hongkong via delhi I was carrying 2900 u.s dollar with me and other currencies it was in my bag, the thing is I just had pdf of the pre arrival registration for hongkong, I asked indigo staff to help for print but they said there's no need, after reaching delhi I check my handbag containing dollar it was there but while boarding in flight indigo staff asked me the print of the pre arrival registration but don't had so they told to mail and said after reaching hongkong contact our staff they will provide you print, after landing in hongkong I asked Indigo crew that I've mail this print from where I can get it, thay said like I don't know better you ask in airport, in the airport before immigration area I searching from Indigo staff or counter for the print but I found no one I also asked the airport authority where I can find indigo staff or counter they said like there's no counter or staff for indigo, so I used airport private service for and printing and delivery for the print of the PDF and they asked me that how will you pay so I said I had card or cash they told only hongkong dollars are accepted, I had Chinese yuan so I changed it to hongkong dollar and tried to pay, but the person came to gave me the print didn't have the change the I tried to pay from the card but my cards didn't worked so used my friends Chinese bank card for the payment and then passed the immigration, finding my bags on the belt but it wasn't available so I asked at airport where can I find my bags they said like your bags are lying on the floor because you are late, then I found my bags lying on floor and chains where open but I ignored because I was getting late for my next train from Kowloon to nanchang via Shenzhen after reaching nanchang I checked my bags I didn't found my credit card and my 2900 u.s dollar was replaced with Indonesian rupiah on next I went back to hongkong again to file a complain in hongkong airport police station, hongkong police told me to apply for travel insurance which I already took and they investigate the whole scenario, because irresponsibility of Indigo airline, staff or crew I suffered a huge loss, the u.s dollar I was carrying was the saving for my university fees, so I want my travel insurance claim and compensation, so please help me with this.