For learning Kazakh language it is necessary to know alphabets in Kazakh. You have to know alphabets in Kazakh to learn writing in Kazakh language. Kazakh alphabets are the building blocks of Kazakh language. There are 24 characters in Kazakh alphabets. Kazakh alphabets are made up of Kazakh vowels and Kazakh consonants. The Kazakh alphabets contain 5 vowels and 17 consonants. Kazakh vs German gives a comparison between Kazakh and German alphabets.
Kazakh script is also known as Kazakh writing system or Kazakh orthography. The set of visible signs used to represent units of Kazakh language in a systematic way is called Kazakh Script. The Kazakh language uses Arabic, Cyrillic i.e. Kazakh alphabets are derived from Arabic, Cyrillic script. The script decides the writing direction of the any language, hence the writing direction of Kazakh is Right-To-Left, Horizontal. Learn Kazakh Greetings where you will find some interesting phrases.
Is Kazakh hard to learn? The answer to this question is that it depends on one's native language. One should start learning Kazakh language with Kazakh alphabets and Kazakh phonology.
Time taken to learn any language that is mentioned here is the approximate time required to learn specific language for the person who is proficient in English. You can also go through all Indian Languages and find if Kazakh is one of the language of India.