How many rakats in prayer isha?

Isha:

i) Four rakat sunnat e Ghair Mokadda (Optional but spiritually beneficial)

ii) Four rakat Fard

iii) Two Rakat Sunnat Mokadda

iv) Two rakat Nafil (Optional but spiritually beneficial)

v) Three rakat Wajib

vi) Two rakat Nafil (Optional but spiritually beneficial)