For learning Slovak language it is necessary to know alphabets in Slovak. You have to know alphabets in Slovak to learn writing in Slovak language. Slovak alphabets are the building blocks of Slovak language. There are 46 characters in Slovak alphabets. Slovak alphabets are made up of Slovak vowels and Slovak consonants. The Slovak alphabets contain 15 vowels and 38 consonants. Slovak vs German gives a comparison between Slovak and German alphabets.
Slovak script is also known as Slovak writing system or Slovak orthography. The set of visible signs used to represent units of Slovak language in a systematic way is called Slovak Script. The Slovak language uses Latin i.e. Slovak alphabets are derived from Latin script. The script decides the writing direction of the any language, hence the writing direction of Slovak is Left-To-Right, Horizontal. Learn Slovak Greetings where you will find some interesting phrases.
Is Slovak hard to learn? The answer to this question is that it depends on one's native language. One should start learning Slovak language with Slovak alphabets and Slovak 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 Slovak is one of the language of India.