Shiv Kumar Jaiswal , Vinay Kumar Gupta , Ajay Maurya , Reena Singh. 2017. “Changes in Water Quality Index of Different Ghats of Ganges River in Patna”. International Journal of Emerging Trends in Science and Technology 4 (08):5549-55. http://ijetst.in/index.php/ijetst/article/view/1302.