As Documentary evidence, the prosecution produced Form NCB -I as Exhibit-ka 1, notice to accused- Satyendra as Exhibit ka- 2, written consent of the accused Satyendra as Exhibit ka- 3, signatures of independent witness Ajeem on this consent as Exhibit- ka 4, recovery memo as Exhibit- ka 5, facsimile seal as Exhibit- ka 6, original inventory as Exhibit- ka 7, statement of accused Satyendra as Exhibit- ka 8, arrest memo of accused Satyendra as Exhibit -ka 9, left hand finger impressions of the accused as Exhibit- ka 10, right hand finger impression of the accused as Exhibit- ka-11, jama talashi memo of accused Satyendra as Exhibit- ka 12, original statement of witness Ajeem as Exhibit- ka 13, receiving of sample by the Vivek Kumar Surveillance Assistant as Exhibit- ka 14, signatures of Sealing Officer and witness Ajeem, on the statement of Ajeem as Exhibits- ka 15 and 16 respectively, copy of godown register as Exhibit- ka 17, the Central Revenues Control Laboratory sample receipt as Exhibit- ka 18, test memo as Exhibit A 19, report of Assistant Chemical Examiner as Exhibit- ka 20, signature of the Chemical Examiner as Exhibit- ka 21, permission to take statement of