“ 7.1 While assessing the compensation in case of claims arising out of motor vehicle accident, it would be the functional disability which will have to be taken into consideration for award of future loss of income. In the instant case, though the doctors have assessed physical disability to whole body at 70%, the tribunal has substituted its view to that of the experts inspite of there being no contra-material available before it to arrive at a conclusion that functional disability being 50%. This Court has time and again stated that tribunal would not sit in the armchair of an expert and re-assess the disability, particularly, when there is clear evidence available. In the instant case, the disability assessment certificate Exhibit-C1 revealed that appellant had suffered 70% physical disability as certified by the Medical Board. There being no other evidence tendered by the insurer or the insured, the tribunal could not have substituted its view by assessing the disability at 50%. This erroneous view of the tribunal has been rightly set aside by the High Court. However, the High Court while reappreciating the evidence has restricted the whole-body disability at 70% on the basis of Medical Board Certificate (Ex. C-1) without noticing the fact that on account of said disability suffered by the claimant, his functional disability would be 100%. It is not in dispute that appellant was working as a loader who used to discharge his duties of loading and unloading vegetables into the vehicles. This physical or manual activity would require support of both legs or in other words claimant is required to use both the legs for discharging his duties as a loader. By virtue of amputation of his right leg below the knee, he has become immobile or in other words, he is not in a position to discharge his daily routine work as a loader. It is not the case of insurer or insured that claimant was carrying on any other avocation and as such the disability of 70% suffered would not come in the way of his earning. To earn his bread, he had to work by