“…Most (n = 4) studies were conducted in Karnataka (Anil et al, 2016;Ninan and Gopinath, 2013;Shettar et al, 2017;Susheela et al, 2018), followed by Punjab (n = 3) Nayyar and Singh, 2011;Upmanyu et al, 1994), Andhra Pradesh (n = 2) (Bhogle, 1991;Mishra et al, 2013), Delhi (n = 1) (Singh and Mishra, 2009), Haryana (n = 1) (Malhotra et al, 2019), and West Bengal (n = 1) (Samanta et al, 2012). A study by Grover et al included participants from multiple states of India (Grover et al, 2018). In most of the studies (n = 10), University of California Los Angeles (UCLA) Loneliness Scale was used to evaluate loneliness among the participants (Anil et al, 2016;Bhogle, 1991;Grover et al, 2019Grover et al, , 2018Mishra et al, 2013;Nayyar and Singh, 2011;Shettar et al, 2017;Singh and Mishra, 2009;Susheela et al, 2018;Upmanyu et al, 1994).…”