Salaah

Q: When performing salaah, can one recite Surahs against the sequence of the Qur'an? For example, can one recite Surah Falaq in the first rakaat and Surah Kaafiroon in the second rakaat? 

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: I am a chain smoker and after every namaaz I smoke, what should I do to offer next namaaz? Do I need to make wuzu again or the wuzu from the previous namaaz is enough?

Also, is smoking haraam or makrooh?

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: Can you give me book on womens salah? How to perform it perfectly?

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

Q: Do I have to wear a topi when performing salaah, or can I perform salaah without a topi? 

Q: What is the procedure of doing binaa in salaat? Do you have to go back to the same place in Haram or is it ok to read from anywhere in the Haram once you have redone your wudhu.

And how do you rejoin the salat, in which rakaat etc in the situation where the imam has already finished?