It is necessary to follow Tarteel rules while reciting the Koran. This is the only way to learn Quran with Tajweed. Some people say that it is not important. But actually it is very important and we cannot separate it from the Quran as they go hand in hand. Following the rules of the Holy Quran in reading is the most important duty of a Muslim. If we are aware of all the rules of recitation, we are able to read in a proper manner.