It is not the map but the hostile refugee who give information about a land and its sensitive regions to his counterparts.So what has to be checked is the inflow of unknown people into a region which can be dangered by spying and other means.People should have a convenient map to go around without trouble of getting lost in a city as big as mumbai.The people of the city should always be elert and not indifferent to their neighbours if they have to fell safe and be safe thereafter.
