For learning Croatian language it is necessary to know alphabets in Croatian. You have to know alphabets in Croatian to learn writing in Croatian language. Croatian alphabets are the building blocks of Croatian language. There are 30 characters in Croatian alphabets. Croatian alphabets are made up of Croatian vowels and Croatian consonants. The Croatian alphabets contain 5 vowels and 25 consonants. Croatian vs German gives a comparison between Croatian and German alphabets.
Croatian script is also known as Croatian writing system or Croatian orthography. The set of visible signs used to represent units of Croatian language in a systematic way is called Croatian Script. The Croatian language uses Latin i.e. Croatian alphabets are derived from Latin script. The script decides the writing direction of the any language, hence the writing direction of Croatian is Left-To-Right, Horizontal. Learn Croatian Greetings where you will find some interesting phrases.
Is Croatian hard to learn? The answer to this question is that it depends on one's native language. One should start learning Croatian language with Croatian alphabets and Croatian 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 Croatian is one of the language of India.