sir in railway station i seen the words dat kadapa is a station on chennai-mumbai main line wich comes under golden quadrilateral project which will connecting 4 metros of india viz.mumbai,delhi,kolkata n chennai (written in telugu),now even if dis in golden quadrilateral project y dis line is very slow n electrification is also not done 100% wat babout status on guntakal-mumbai section ,if the main n important line is like dis den wat about the common n ordinary lines???