The disputed document has to be referred to the expert for ascertaining the age of the ink

In A.Sivagnana Pandian Vs. M.Ravichandran, reported in 

(2011) 2 MLJ (Crl.) 595, 

at paragraph No.32, this Court held as follows:

....I am fortified in my view that the disputed document has to be referred to the expert for ascertaining the age of the ink and practical hardships, if any, sustained by the expert shall be brought to the notice of the Court and the Court shall thereafter act according to the settled principles and procedures, in affording appropriate opportunity to the accused to prove his defence.