Prime Minister Narendra Modi's government presents its first budget shortly amid apprehensions about a dose of "bitter medicine", which could be administered to revive an ailing economy that has clocked sub-5 growth in two consecutive years.Finance minister Arun Jaitley is thus faced with the task of juggling long-term economic reforms, boosting growth in the face of a possible weak monsoon and creating jobs in order to usher in the 'achche din (good days)' promised by the BJP in its election campaign.