For cross-country data, see Botero et al. (2004). The data can be downloaded from Andrei Shleifer's website. Since then, the World Bank's Doing Business survey updates the data: the latest is for 2017. The reference worker is a 19-year-old full-time worker at a supermarket with one year of experience (see the methodology description).
For India, see Besley and Burgess (2004). The data can be downloaded from LSE EOPP research program's website.