When an objection has been taken by the other party that a document is insufficiently stamped, then, it is incumbent on part of Court to decide objection first and then to proceed further

 In M.Chinnappan V. M.Ranganathan and another, AIR 2005 Madras 105, it is held that 

'when an objection has been taken by the other party that a document is insufficiently stamped, then, it is incumbent on part of Court to decide objection first and then to proceed further