Section 10(c) in Jharkhand Minerals (Prevention of Illegal Mining, Transportation and Storage) Rules, 2017
(c)The verifying officer shall draw joint samples from the stacks of marginal grade and also from the stacks, grade of which would appear to him different from that mentioned in the analysis reports. Joint samples shall be drawn by the Mining Inspector/Verifying Officer and an authorized representative of the Mining Lessee and shall be divided into 3 part, of which one part shall be handed over to the mining lessee under joint seals, the 2n1 part shall be sent to the Government approved Laboratory for analysis under joint seals and 3"1 part shall be kept with District/Assistant Mining Officer under joint seals as an umpire sample.
