Complex sentence: On special occasions, several rice dishes like pulao, biryani etc. are served and several changes can be observed in the lunch, in fact can be completely changed and then it could have many delicious dishes, sweets and savouries.
Split into simpler sentences: On special occasions, several rice dishes like pulao, biryani etc. are served and several changes can be observed in the lunch. In fact, it can be completely changed and then it could have many delicious dishes, sweets and savouries.