For learning Hebrew language it is necessary to know alphabets in Hebrew. You have to know alphabets in Hebrew to learn writing in Hebrew language. Hebrew alphabets are the building blocks of Hebrew language. There are 22 characters in Hebrew alphabets. Hebrew alphabets are made up of Hebrew vowels and Hebrew consonants. The Hebrew alphabets contain 0 vowels and 22 consonants. Hebrew vs German gives a comparison between Hebrew and German alphabets.
Hebrew script is also known as Hebrew writing system or Hebrew orthography. The set of visible signs used to represent units of Hebrew language in a systematic way is called Hebrew Script. The Hebrew language uses Hebrew i.e. Hebrew alphabets are derived from Hebrew script. The script decides the writing direction of the any language, hence the writing direction of Hebrew is Right-To-Left, Horizontal. Learn Hebrew Greetings where you will find some interesting phrases.
Is Hebrew hard to learn? The answer to this question is that it depends on one's native language. One should start learning Hebrew language with Hebrew alphabets and Hebrew 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 Hebrew is one of the language of India.