Want to return my product

I have ordered 4 items alltogether and by mistakenly I have ordered 2 swimsuit instead of one but i want return my 1 AMANTE SWIMSUIT and it is too complusary to return it bcz in other 3 items i m already having a swimsuit ordered .Plz this is genuinely a mistake happend by me plz consider this .I donot do this for anything this is a humble request or u cam check my acc along with this order i have a order of 4 tshirts and i keep them .This very very genuine mistake plz reture my 1 swim suit and give my money in myntra credit only i dont want them in my acc also ..Humbly requesting you.Thankyou