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