Persons in which of the following pairs are born in the month having 31 days?

Study the following information carefully and answer the questions below-: Ankit, Bhupender, Chaman, Deepak, Ishwar and Sanjiv are six friends having their birthdays on same date of different month viz. January, February, March, April, July and November of same year
i.e. year 2022. They are engaged in different professions/services viz. Teacher, Army, Post graduate, Police, Officer (OFFICER) and Seller. Bhupender is born in the month having 30 days and is engaged in service with Deepak only. Ishwar is an Seller and born in February. Sanjiv is neither a Teacher nor a Officer. The youngest person is a Officer. The difference of month between an Seller and Ankit is exactly the same as between Deepak and a Post graduate. The one who is older to Sanjiv but not the oldest is a Police.Ankit is six months older to the one who is Army.