Reliance Trends — Wrong information shared

Address:

Diamond plaza kolkata

Today I went to Reliance for shopping, On going there I was so surprised to see one thing that I had to return disappointed, reliance trend cheated with me.One pant was fifty percent off, I tried it on and loved it.But when I go to bill it says it doesn't have fifty percent off, I went there and asked a sales lady again and she said it is 50% off.But the bill counter didn't accept it so I had to come back disappointed.I felt very humiliated seeing these things, please take strict action against this so that no customer is in such a situation.
Reliance Trends address---Diamond plaza mall, kolkata.