I want to know if Takbeer is necessary for Farz Namaz. I offer my prayers individually sommetimes and offer Takbeer for Farz Namaz but I am not sure about saying Takbeer before Qaza farz. Hence currently I am saying Takbeer before Qaza Farz Namaz also. Is it a sin to say Takbeer before Qaza Farz?
Some body please guide me according Quran, Hadeeth and Sunnah.
May Allah bless Jannat for all Muslims.Ameen. Zulfi.