Open Question: how to reduce weight and fat from outer and back thighs?

i am 5ft female and weight is 84kg,do 1 hr gym or aqua aerobicks or sweaming, take calaory intake upto 1500-1700 avoid fat/oil/sweets and eat bf as cornflaks,lunch as 1.5 chapati,subji and salad, midtime 2/3 biscuits with tea or fruit, dinner as light as possible sometime oats upma still my weight is not coming down and flabby outer/back thighs looks bad so pls guide me for both.