The survey, conducted in February this year in collaboration with Ipsos Research, found that 52 per cent of women who had received harassment calls were sent inappropriate and sexual content at least once a week, while 47 per cent received unsolicited videos and pictures with inappropriate and sexual content.
Comparatively, in last year's edition of the survey, 78 per cent women (who received harassment calls) had received calls with inappropriate and sexual content at least once a week, and 82 per cent had been sent unsolicited videos and pictures with inappropriate and sexual content.
According to the current survey, 28 per cent respondents from Delhi reported receiving harassment calls and SMS every week, making it the highest in India.
Jaipur had topped last year's edition with 90 per cent respondents from the city saying they had received such offensive content on a weekly basis.
The survey was conducted among 2,150 women, aged 15-35, across 14 cities.
Close to four-fifth (78 per cent) of the respondents said they felt angry or irritated by harassment calls, while 37 per cent said they felt troubled, worried or frightened.
Interestingly, 53 per cent respondents said they had received calls from fraudsters seeking to collect sensitive personal data, and 9 per cent said they received counterfeit calls almost daily.
About 74 per cent said they took measures against these calls through various means that included blocking numbers, request for DND activation, shaming on social media and filing complaints with authorities. This is 12 per cent higher than last year.
Truecaller has launched a nationwide campaign - #ItsNotOK - aimed at raising awareness against women's harassment that occurs through mobile phones.