For learning Estonian language it is necessary to know alphabets in Estonian. You have to know alphabets in Estonian to learn writing in Estonian language. Estonian alphabets are the building blocks of Estonian language. There are 27 characters in Estonian alphabets. Estonian alphabets are made up of Estonian vowels and Estonian consonants. The Estonian alphabets contain 9 vowels and 18 consonants. Estonian vs German gives a comparison between Estonian and German alphabets.
Estonian script is also known as Estonian writing system or Estonian orthography. The set of visible signs used to represent units of Estonian language in a systematic way is called Estonian Script. The Estonian language uses Latin i.e. Estonian alphabets are derived from Latin script. The script decides the writing direction of the any language, hence the writing direction of Estonian is Left-To-Right, Horizontal. Learn Estonian Greetings where you will find some interesting phrases.
Is Estonian hard to learn? The answer to this question is that it depends on one's native language. One should start learning Estonian language with Estonian alphabets and Estonian 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 Estonian is one of the language of India.