Zikr and Dua After Salaah

Q: Is it preferable to make dua in sajdah during salaah or after Durood Ebrahim or after salaah in sajdah or while lifting your hands and making dua after salaah?

Q: After leading a congregation in Fard salah, some Imams choose to do zikr after turning and facing the congregation directly or turn and sit at an angle facing the congregation. Is this based on a sunnah? 

Q: After your fardh salaah with jamaat, is it better for the Imaam to make dua loudly or softly and what's the best duas to read?

Q: Is it sunnat to say Allahu Akbar after the salaam of a fardh namaaz?

Q: Is it sunnat to make dua after fardh salaat and a hadith supporting it if it's true. Many of my friends tell me that's an Indian innovation and not a sunnat of Nabi (sallallahu alaihi wasallam). Please advise. 

Q: A person has the habit of making duaa individually after fardh salaah. He thus delays his sunan for approximately 10 minutes. What is the sharee ruling regarding this? Will this be makrooh?

Q: Is it sunnah to place the right hand on the forehead after fardh salaah? If it is, what dua or zikr should be read while doing it?

Q: I would like to ask that is it authentic Hadith that we should read la ilaha illalahu wahdahu la sharik lahu lahul mulku wala hul hamd wa hua ala kulli shaiin qadeer 10 times after every fard prayer?

Q: A few weeks ago an email was sent under the heading azkaar after salaah. It mentions putting the hands on the head and reading for the removal of worry and grief. Can Mufti saheb please send me that azkaar. 

Q: Is saying 33 SubhanAllah, 33 Alhamdulillah and 34 times Allahu Akbar after each prayer rewarding?