The Union Budget aims to focus on economic recovery in light of a sluggish economy. Key highlights include targeting a fiscal deficit of 3.9% for the current year and 3.5% in 2016-17, implementing GST by 2016, and increasing infrastructure spending by Rs. 70,000 crore. The budget also cuts corporate tax rates gradually to 25% over 4 years and increases individual tax exemptions. Challenges include meeting growth targets, asset sale targets, and potential needs for more public bank recapitalization.