“…At the regional level analysis, Anand and Roy (2016), Kipp et al (2016), Wullert and Williamson (2016), Mújica et al (2015), Ezeh et al (2015), He et al (2018), Khadka et al (2015), Kennedy et al (2016) Ortiz-Correa et al (2016), Mehretie Adinew et al (2017), Dasgupta et al (2016), Keskin et al (2017), Shih et al (2017), He and Perloff (2016), Wang and Yang (2016), Bhalotra et al (2017) and Sharif (2016) held the same opinion. For India, Duflo et al (2015), Gupta and Mondal (2015), Lakshminarayanan and Jayalakshmy (2015), Parikh et al (2015), Patel et al (2015), Singh et al (2015), Subbaraman and Murthy (2015), Barenberg et al (2016), Bhattacharyya (2016), Gupta et al (2016a), Gupta et al (2016b), Kusneniwar et al (2016); Panda et al (2016), Parker et al (2016), Ranjan (2017), Reddy et al (2017), Do et al (2018) all agreed that better access to improved water sources will lead to lower IMR. For a more detailed consideration of relevant literature one might consider Banerjee et al (2020)…”