If nothing is mentioned on the DD, it is by default 6 month valid.
Talk someone in the Foreign Exchange department only and also refer to the below comments:
Declaration from RBI: DD is 6-month in Default Validity
http://www.rbi.org.in/scripts/BS_ViewMasCirculardetails.aspx?id=8993
10. Validity
10.1 All
[size=10pt]pre-paid payment[/size] instruments issued in the country shall have a
minimum validity period of six months from the date of activation/issuance to the holder.
http://rbi.org.in/scripts/PublicationsView.aspx?id=156
3.5.
The Demand Draft is a pre-paid Negotiable Instrument
Quote from: torontoviadelhi on August 01, 2014, 10:32:00 am
Sure Sir! Here is the link
http://www.rbi.org.in/scripts/BS_ViewMasCirculardetails.aspx?id=8993
and the definition of pre paid instrument is (section 3.5)
http://rbi.org.in/scripts/PublicationsView.aspx?id=156