If going out for a walk daily in the monsoons is a challenge, try going for a trek. Trekking is perfect in the monsoon season where you burn calories while enjoying the weather.
Trekking is considered to be one of the most challenging outdoor activities, and only someone who has gone for one will know what I am talking about. Climbing uphill, the high altitude, low oxygen levels, and not to forget: the unbearable temperatures, most of us aren't used to the conditions in the mountainous regions, which makes it more challenging. However, adjusting your diet and nutrition intake will make the climb, 'not-so-strenuous'! Before I get into what you should eat, and what you shouldn't, it is important for us to remember that regardless of what your diet is, you have to limit the baggage for the trek. The weight of your bag affects your posture, which can cause further damage during the trek. If the duration of your trek is less than a fortnight, then go for a 40 to 50 litre backpack (in terms of volume). In general, a 50 litre backpack should be sufficient to carry the essentials and a sleeping bag.
Adjusting to a trekking diet from your normal diet is difficult. I would recommend giving yourself at least two weeks to prepare both mentally, and physically, for the climb ahead. For some people, trekking is an addiction. They say that once you reach the top of the mountain, nothing else on Earth can give you that adrenaline rush! Eat healthy, stay fit, and give your mind, body and soul the opportunity to experience that ecstatic moment!