Salaah

Q: If I am in a doubt whether I have made a mistake in salah or not like I have forgot whether I have sat after 2 rakahs or not, should I make sajdah-e-sahw?

Q: If one does not know Dua-e-Qunoot and finds it difficult to learn it by heart then what should he recite in its place in witr salaah?

Q: How much time before sunrise can one offer fajr Salaah?

Q: What is zawal time? How much time before zohar Salaah does it start? Is there any zawal time before maghrib? If someone is reading/reciting Quran Sharif and zawal time commences, does he have to stop reading?

Q: I want to know about the saying of ameen in low tone according to Imam abu hanifa as it is contrary to the practice of the Sahaba. Please elaborate. I also know that ameen is a dua and according to quran dua should be said in a low tone but why should we do it when no Sahabi has done it?

Q: In Saheeh Muslim there is a hadeeth in the chapter of forgetting in salaah. The hadeeth mentions that after the salaah wherein Rasool (Sallallahu Alayhi Wasallam) performed three rakaats in salaatul Asr, Rasool (Sallallahu Alayhi Wasallam) entered his home and came back out and spoke etc. and then just made sajda sahw.

1. People now say that if one begins to talk after the salaah wherein sajda sahw supposed to take place, he has to repeat the entire salaah. Please explain.
2. The hadeeth mentions that Rasool (Sallallahu Alayhi Wasallam) came out angrily. Why did he become angry?

Q: While performing four rakaats sunnat salaah, I mistakenly made one salaam after two rakaats. Realizing my mistake, I immediately got up and completed the remaining two rakaats and made sajda-e-sahw. Is this acceptable or do I need to repeat the salaah?

Q: What do the four madhabs say regarding congregational salaah for men? Do they say it is wajib or only mustahab? Can you cite references in your answer?

Q: My grandfather has alzheimer's. He forgets everything. He even does not remember how to perform Salaah. What is the mas'alah in this case? When ever we at home we make jammat for salaah so that he can perform his salaah but he even speaks in salaah.

Q: If I enter the musjid and join the salaah while the Imam is in ruku, then after saying the takbeer, should I go straight into ruku or should I first recite the sana? If I should not recite the sana before going into ruku, then when should I recite it?