There are various weight loss diets present.One Should follow a particular diet plan according to his/her BMR.These diets have rules and regulations of what to eat,what not to eat.So be sincere while following the diet because DISCIPLINE IS NECESSARY!
Also,one should stick to the diet for long term he/she is going for.Shuffling the diet will not give you any results and will make your metabolism abrupt.So yes,BE CONSISTENT!
Diets are mentioned in the sub parts,go through them completely and check which diet suits you according to your BMR for your transformation.
Thank You!