Hi
@Sukumar and welcome to the forum.
I don't know how much you have already learned from this forum or from other sources, so forgive me for mentioning the basics. Also you don't say which medications (if any) you are on for your Type 2 Diabetes and Hypertension.
We Type 2 diabetics tend to be overweight, but some are just Thin Outside, Fat Inside - like me.
We suffer from Insulin resistance, which is thought to be mainly due to our fat cells being so full of fat that it is hard to push any more fat into them. This situation leads to high Blood Glucose (also known as blood sugar).
The common misunderstandings are that :-
1. We only need to eat less sugary foods.
Actually all digestible carbohydrates quickly turn into Glucose when we eat them. This includes grains (such as rice and wheat) starchy vegetables and of course fruit.
2. The disease is progressive and can't be managed with lifestyle alone.
Actually there are several ways people use to put their T2 D into remission (often without any medication at all).
I understand that a low Carbohydrate way of eating is not so easy in India as it is in the UK, because it necessarily means eating more protein and more traditional fats (so as to replace at least some of the calories from carbohydrates). Alternatives/variations that people use are :
Very Low Calorie diets (which automatically makes then low carb). The typical Calorie limit for these is around 800 Calories per day and is done either with nutritional shakes, or with normal real food. These can only be done for 12 weeks maximum before all the deficiencies in vitamins, minerals etc. start to do too much damage.
Periodic fasting which is anything from just cutting out breakfast, to fasting for whole (single) days per week, through to fasting for 3 continuous days or more at a time.
Bariatric Surgery (usually only after all else (including medication) fails.
I always suggest trying Low Car at first since (to me ) seems the best (potentially least harmful). Please be aware that the reason conventional dieting fails is because as the calories are reduced, the body lowers it's Resting Metabolic Rate which makes it almost inevitable that it will pile on the pounds as soon as the calories increase.
If you try Low Carb, then it is best to buy a Blood Glucose meter and test each meal to find which foods are OK and which you need to cut out or reduce portions of. The meters (at least in the UK) all comply to the same standard, so it is best to get one with cheaper test Strips (which are specific to the type of meter) because you will be testing just before and then 2hrs after first bite of every meal for at least a couple of weeks. You want to find that the rise in Blood Glucose caused by a meal is 2.0 mmol or less.