I am looking to lose 6-8kg in the next 2-3 months. Essex Boy, there is no need to cut your calories to 1200 a day. In fact that type of diet will lead to further weight gaining once you finish the diet.
Itn is way better to move from "quitting food" towards "choosing the right food".
My girlfriend's dad lost 20kg by eating smart, i.e. never combining proteins and carbohydrates. No more meat sandwiches, no more fish and chips, no more meat and potatos. Instead you can have meat with vegetables and bread with vegetables, etc. Just do not mix.
I tried it last year and really worked well without a pain of counting calories. Good luck!