In an article, it is reported that many transformers located adjacent to foot paths or closer to buildings though as per Petroleum Act, atleast 9 m gap should be maintained. As per Indian Electricity Act, at least 2.5 m vertical and 1.5 m horizontal clearance should be maintained for 11 kv lines which is hardly followed. Read the full information in the following link.
http://timesofindia.indiatimes.com/city/hyderabad/Transformers-buildings-too-close-for-comfort/articleshow/13678673.cms