Method of Salaah

Q: Is it makrooh to recite a Surah in the 1st rakaat and then skip a Surah and recite the next Surah in the second rakaat?

Q: Is it makrooh to read a shorter Surah in the first rakaat and a longer Surah in the second rakaat?

Q: If I recite surah asr, kauthar, ikhlaas in witr salah every single day, is it makrooh?

Q: What is the ruling on raising one's finger during tashahhud?

Q: How to attain khushoo and khudhoo permanently in salaah despite having doubts all the time? 

Q: In Ruku', instead of reading سبحان ربي العظيم, I read سبحان ربي الأعلى. Do I nees to make Qadha of the Salaah?

Q: Recently I learned to read the Quran and learned that a lot of the surahs I recite during salah (including Fatiha), I had been misprouncing. It was small mistakes like pronouncing س in places where there should be ص or ث. Was my salah valid even with these mistakes?

Q: 

1. If an Imaam recited an aayah of Surah Naba incorrectly in the fardh of Esha i.e. instead of reciting لاَ يَتَكَلَّمُونَ إلّٰا مَنْ أَذِنَ لَهُ الرَّحْمٰنُ, he recited لاَ يَتَكَلَّمُونَ مَنْ أَذِنَ لَهُ الرَّحْمٰنُ, will the salaah break?

2. If the salaah breaks, then if among the muqtadis there was a person who was a musaafir, should the musaafir muqtadi repeat four rakaats or two rakaats?

3. If the mistake was in Esha salaah and the Esha has to be repeated, then will a person who has performed witr after the esha salaah have to repeat the witr salaah as well? 

Q: Is it permissible to recite Surah Fatiha at the time of tashahhud if you don’t know what to say.

Q: I would like to know if I get the Imam in Ruku in Jamat, should I read Surah Fatiha first after takbir then go to Ruku or should I go to Ruku directly?