Section 11(1)(a) in Rajasthan Electricity Regulatory Commission (Metering) Regulations 2007
(a)Meter location:(i)For Open access consumers, main & check meters shall be installed at delivery point or relevant to termination point of service line at outgoing isolator of licensee's sub station. The standby meter shall be installed at other end of line. This is applicable to open access interface meters having inter connection with transmission system/distribution system.(ii)For Mini Hydel stations, main and check meters shall be provided at energy transfer points, preferably at the generating station out going feeders.