Section 14(2)(f) in The Indian Electricity Act, 1910
(f)where a statement is served upon the operator under clause (e), he shall, not less than forty-eight hours before the execution of the alteration is required to be commenced, furnish such security and serve upon the owner a notice in writing intimating the time when the alteration is required to be commenced, and the manner in which it is required to be made, and thereupon the owner may proceed to execute the alteration as required by the operator;