Rule 3.6 - Depositions, Discovery, Production Of Documents And Perpetuation Of Testimony(a) Leave to take depositions, or obtain discovery or the production of documents may be granted only on petition upon cause shown.(b) The procedure relating to depositions, discovery or the production of documents shall be governed by special order of the court in every case.(c) To the extent not provided for by special order in a particular case, the practice and procedure relating to perpetuation of testimony and court records shall conform to the practice and procedure in Equity.