Tamil language fonds / Letters are not properly aligned

Each and every letter in Tamil is been misaligned and its Consonants are been misaligned.
These are the proper way it should look which are should be in attached pic:
நீங்கள் இறந்துவிட்டீர்கள்
ஸ்பான் முட்டை
And Most of the spellings are been misspelled so please do correct it.