Where is 'Raisina Hills'?

• A. Where Rashtrapati Bhavan is situated
• B. The Hill feature in Srinagar, otherwise known as 'Shankara-charya Hill'
• C. The place where the (3) Dogra rulers of J & K built their fort in Jammu.
• D. The rock feature at Kanya-kumari where Swami Vive-kananda's statue was erected.