Section 134(2) in The Indian Electricity Rules, 1956
(2)Where the voltage of any system does not exceed 125 volts the Inspector may, by order in writing, direct that any of the provisions of rules 29 to 34 (inclusive), 36 to 39 (inclusive), 83, 92, 94 to 107 (inclusive) [* * *] [ Certain words omitted by G.S.R. 1723, dated 21.11.1977 (w.e.f. 31.12.1977).] shall, in addition to the rules specified in sub-rule (1), be relaxed as regards such systems, to such extent and subject to such conditions as he may think fit.