For learning Konkani language it is necessary to know alphabets in Konkani. You have to know alphabets in Konkani to learn writing in Konkani language. Konkani alphabets are the building blocks of Konkani language. There are 52 characters in Konkani alphabets. Konkani alphabets are made up of Konkani vowels and Konkani consonants. The Konkani alphabets contain 16 vowels and 36 consonants. Konkani vs German gives a comparison between Konkani and German alphabets.
Konkani script is also known as Konkani writing system or Konkani orthography. The set of visible signs used to represent units of Konkani language in a systematic way is called Konkani Script. The Konkani language uses Devanagari i.e. Konkani alphabets are derived from Devanagari script. The script decides the writing direction of the any language, hence the writing direction of Konkani is Left-To-Right, Horizontal. Learn Konkani Greetings where you will find some interesting phrases.
Is Konkani hard to learn? The answer to this question is that it depends on one's native language. One should start learning Konkani language with Konkani alphabets and Konkani 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 Konkani is one of the language of India.