Citigroup Inc has secured a 10-year lease for over 7.7 lakh sq ft of office space in Pune's Kharadi locality, valued at Rs 1,100 crore, marking the largest commercial office transaction of the year. The space, located in Panchshil Business Hub, spans 10 floors and includes a clause for a 15% rental escalation every 36 months. Citicorp Services India, a subsidiary of Citigroup, will utilize the space for various operational functions and has also acquired exclusive parking for 770 cars and 1,185 two-wheelers.