For learning Bulgarian language it is necessary to know alphabets in Bulgarian. You have to know alphabets in Bulgarian to learn writing in Bulgarian language. Bulgarian alphabets are the building blocks of Bulgarian language. There are 30 characters in Bulgarian alphabets. Bulgarian alphabets are made up of Bulgarian vowels and Bulgarian consonants. The Bulgarian alphabets contain 6 vowels and 36 consonants. Bulgarian vs German gives a comparison between Bulgarian and German alphabets.
Bulgarian script is also known as Bulgarian writing system or Bulgarian orthography. The set of visible signs used to represent units of Bulgarian language in a systematic way is called Bulgarian Script. The Bulgarian language uses Cyrillic i.e. Bulgarian alphabets are derived from Cyrillic script. The script decides the writing direction of the any language, hence the writing direction of Bulgarian is Left-To-Right, Horizontal. Learn Bulgarian Greetings where you will find some interesting phrases.
Is Bulgarian hard to learn? The answer to this question is that it depends on one's native language. One should start learning Bulgarian language with Bulgarian alphabets and Bulgarian 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 Bulgarian is one of the language of India.