Medlife — I'm complain about my order amount

I'm PRAVEEN KAATAM, my midlife registered mobile no [protected]. my order ID OR2179IP-001A. Im order Tugain 5%solution in midlife app. I'm ordering time paybul amount 435 rs but delivered time paybul amount showing 460rs. What is this. I have screen shots I'm ordering time taken. And har customer support called me about billing that time also he told me that amount 435. Will you please solve this issue. Thanking you.