The claim of tenancy is, however, sought to be established by the following docu ments: (a) A certificate of the Gold Control Authority of 1976 recognising the claimant as a goldsmith with his place of business and residence at 6, Doctor 's Lane, Calcutta subse quently shifted to the suit premises w.e.f. 4.11.81; (b) A certificate from the Bangia Swarna Silpi Smithi dated 12.8.75 showing the claimant 's place of work at the suit premises and a letter of 13.11.1987 from the Samithi stating that the claimant has been maintaining a Khata under the Gold Control Act from 1976; (c) A petition for remand by the police dated 18.9.75 in connection with a criminal case showing the claimant 's address at the suit premises; (d) A search list of 23.9.75 on complaint No. 657 u/s 380 I.P.C. showing that certain items were seized from Dulal Dutta 's shop in the suit premises; and a petition from the prosecution seeking impleadment of Dulal Dutta of the suit premises as a co accused in connection with the above case; (e) A letter from the Police of a complaint from the Corpo ration against the claimant for not having obtained a trade licence for 1979 80 in time and a municipal licence fee receipt dated 19.12.80 in respect of the year 1978 79 issued by the Corporation of Calcutta in favour of the claimant and Panchanan Dutta; (f) A summons issued by the Corporation to the claimant on 305 6.2.81 showing his address as at the suit premises; and (g) A letter dated 10.6.81 by the claimant to the Superin tendent, Central Excise asking for a change of address from Doctor 's Lane to the suit premises.