PW-4, Shivendra Satyarthi, PW-5, Babu Lal Paswan, PW-6, Surendra Kumar, PW-7, Karan Mahto and PW-8, Raghu Nandan Kumar as well as has also exhibited following documents as Exhibit-1, statement of accused Munna Kumar, Exhibit-1/1 Statement of accused Babloo Kumar, Exhibit-2, Panchnama of seized articles, Exhibit-3, memo of seizure dt. 27.02.2011, Exhibit-4, document dated 28.02.2011 in two sheets, Exhibit-5 to 5/4, five test memo of seized articles (ganja), Exhibit-6, Statement of accused Nilu Singh u/s 67 of N.D.P.S. Act, Exhibit-7, Report regarding truck issued by S.D.O. Barrackpore 24 Paragana, Exhibit-8, Letter dated 26.07.11 issued by Saikat Sah, Exhibit-9, a carbon copy of report of Sub-postmaster, Baadon Street, Kolkata, Exhibit-10, Report of D.R.I. Varanasi, Exhibit-11, statement of Sunil Kumar, Exhibit-12, list of document, Exhibit-13, investigation report of accused Nilu Singh, Exhibit-14, forwarding memo, Exhibit-15, complaint petition, Exhibit-16, signature of Karan Mahto on seizure Memo dt. 27.02.2011, Exhibit-16/1, signature of Karan Mahto on Panchnama page-1, Exhibit-16/2, signature of Karan Mahto on Panchnama, Page-2, Exhibit-16/3, signature of Karan Mahto on panchnama on page no.3, Exhibit-16/4, signature of Karan Mahto on panchnama over page no.4, Exhibit-16/5, signature of