Uber India — I have take trip but in app shows cancelled trip

On 8 July at 11.19pm I hv taken trip from Bangalore airport to Radha Hometel, Whitefield. Driver name Sanjay Kumar & car was Dezire. I paid appox Rs 1200 to Driver. But after few days when I gone to app to take receipt, I found that my trip shows cancelled trip. Later thru App I called Driver and he agreed to send me receipt on WhatsApp but he has not sent. After that he is not picking phone
Pl help me for my receipt from Driver