It is not uncommon to find that even when sanction is granted, it is difficult to find an appropriate expert, because when he or she is told the amount of funding that is available, they simply decline to carry out the work.The other difficulty that arises is that even if sufficient funding is provided to instruct an expert at the beginning, an expert will often do a preliminary report, carry out a preliminary investigation, and then say, "I need to carry out X or Y...