1. CRIMINAL Revision Case Nos. 859 of 1971 and 7 of 1972 were taken up for hearing together as the questions of law which arise in both the cases are the same.

2. IN Criminal Revision No. 859 of 1971 the petitioners are Priti Ranjan ghose and his two brothers. On the basis of a written complaint made by the Superintendent, Post Offices, presidency Division, addressed to the Superintendent of Police, C. B. I., S. P. W. Division, Calcutta, a case under section 120b/420, 420/471 of the Indian Penal code was started against them. On the 19th of July, 1971, on the prayer of the inspector, C. B. I., S. P. W., Calcutta, the learned Sub-divisional Magistrate, alipore, directed the petitioners to appear before the investigating Officer on 21. 7. 71 and 22. 7. 71 for taking of their specimen handwritings before the learned Magistrate. On repeated prayers of the petitioners the order requiring the taking of specimen handwritings was kept in abeyance and ultimately on 21. 10. 71, the learned Sub-divisional Magistrate directed the petitioners to appear before Sri s. K. Roychowdhury Magistrate, 1st class for giving their specimen hand writings on 21. 11. 71. Against this order the petiti