Concept Of Family Planning in Islam.Allowed or Not?-Dr.Z.Nayak and Br.Imran

Allah(STW) already gives Natural Family Planning. Ordinarily there are two method of family planning-1)Permanent & 2)Temporary ; 'Permanent' is prohibited in islam but 'Temporary' may consider.Pl.look at these videos:-
(1)Dr.z.nayak(urdu)

(2)Dr.z.nayak(english)

(3)Ask Dr Zakir, Family Planning, Difference Bet. Islam & Hinduism, etc - Dr Zakir Naik

;-log-on-http://youtu.be/JhwQaGbC-lY

(4)Br. Imran on Family Planning (Urdu)