The project is considered successful if it is done within estimated cost and time but delay and cost overruns are commonly observed in ant construction projects thus the underground natural gas supplying projects are not an exception.
Trishala Zende, D.K. Shinde (2017); Causes of Delay and Cost Overruns in A Domestic and Commercial Natural Gas supplying Company and Its Analysis Using Research Methodology;
Int J Sci Res Publ 7(6) (ISSN: 2250-3153). http://www.ijsrp.org/research-paper-0617.php?rp=P666477