In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
Although the school lunch passed the legal standards, __________ or not it is healthy is debatable.
Which singer was in January 2018, chosen for the 5th Edition of Yash Chopra Memorial Award 2018 for her outstanding contribution to the Hindi filmindustry?