Travelling to any new country comes with challenges, and India is no different. A change in the landscape is accompanied by changes in weather, food and, most importantly, water. These sudden changes can sometimes lead to adverse effects, even in the most seasoned travellers. While nothing can prepare travellers and tourists for the onslaught of transformed conditions, there are some precautions like medications and vaccinations that tourists to the country can arm themselves with to ensure that their trip is a beautiful and smooth experience. Here's a look at some of them.