For learning Japanese language it is necessary to know alphabets in Japanese. You have to know alphabets in Japanese to learn writing in Japanese language. Japanese alphabets are the building blocks of Japanese language. There are 99 characters in Japanese alphabets. Japanese alphabets are made up of Japanese vowels and Japanese consonants. The Japanese alphabets contain 5 vowels and 14 consonants. Japanese vs German gives a comparison between Japanese and German alphabets.
Japanese script is also known as Japanese writing system or Japanese orthography. The set of visible signs used to represent units of Japanese language in a systematic way is called Japanese Script. The Japanese language uses Kana i.e. Japanese alphabets are derived from Kana script. The script decides the writing direction of the any language, hence the writing direction of Japanese is Left-To-Right Horizontal and Top-To-Bottom. Learn Japanese Greetings where you will find some interesting phrases.
Is Japanese hard to learn? The answer to this question is that it depends on one's native language. One should start learning Japanese language with Japanese alphabets and Japanese 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 Japanese is one of the language of India.