How to appreciate evidence if plaintiff has failed to produce original will?

[Educator]

Though the plaintiff as aforesaid has failed to give any reason for non-production of the original Will but from a reading of the entirety of the evidence including the lengthy cross-examination by the counsel for the defendants No. 1&3 of the plaintiff and of the replies given by the defendant No. 3 in her cross-examination, it is abundantly proved that the defendant No. 3 had much more access