Admittedly, issue No.3 regarding agreement to sell dated 24.11.2004 being a result of connivance of plaintiff and scribe, was to be proved by the defendants-petitioners. The defendants completed their evidence on 26.08.2008. To prove this issue, defendants examined Handwriting and Fingerprint Expert Dr.Inderjit Singh. Thereafter, the plaintiff-respondent prayed to allow him to take photographs of the disputed thumb impressions and to allow him to examine handwriting and fingerprint expert by way of rebuttal evidence to the evidence led by the petitioners on issue No.3. The trial court vide impugned order allowed the aforesaid prayer of the plaintiff-respondent.