Whether reverse charge is applicable to services provided by Government or local authorities?

Yes, reverse charge is applicable in respect of services provided by Government or local authorities to any person whose turnover exceeds Rs.20 lakhs (Rs.10 lakhs for Special Category States) excluding the following services:
(i) renting of immovable property;
(ii) services by the Department of Posts by way of speed post, express parcel post, life insurance, and agency services provided to a person other than Government;
(iii) services in relation to an aircraft or a vessel, inside or outside the precincts of an airport or a port;
(iv) transport of goods or passengers.
Thus, the recipient of supply of goods or services is liable to pay the entire amount of tax involved in such supply of services or goods or both.