Gujarat High Court Civil Manual (subordinate court practice), 1960
The following are the terms on which the services of the officers of the Public Health Department in the State of Bombay will be made available for giving evidence as experts in Courts of Law on behalf of private firms and individuals:— (i) A fee of Rs. 110 only per day should be charged in the case of the Director of Public Health, and Rs. 50 only per day in the case of other officers, the days chargeable being from the day the officer starts on his journey up to the day of his return. The travelling and halting allowances admissible to the officers should be recovered in addition to the fees prescribed. (ii) These officers should be allowed 1/6th of the total amount of fees recovered, and this remuneration should be classified as honorarium. [Vide Fundamental Rule 9 (9).]