Just like in any city around the world, tourists in New Delhi should adhere to basic safety guidelines. It's advisable to secure valuables and original documents in the hotel safe, keep money and cards hidden deeper within your bag, and exercise caution with strangers, particularly if they offer tours or insistently offer food.
While crime rates in New Delhi are generally low, fraud is a common concern.
Tourists are typically treated with respect, and overall security in New Delhi is generally good. In case you encounter an unpleasant situation with the locals, consider threatening to call the police. Usually, a single threat is sufficient for a peaceful resolution, as the police tend to respond promptly to foreign tourists.
New Delhi serves as the capital city of Delhi, and there are no perilous neighborhoods akin to the slums of Old Delhi. Nevertheless, it's advisable to avoid walking around the city at night, even if the neighborhood you're considering initially appears safe.
