Had a small surprise journey to n fro Bangalore, took 22692 Rajdhani to Bangalore lead by GZB WAP7 30251 n reached SBC on time. Returned back to Hyderabad in 12786 SBC KCG SF, lead by KJM WDM3A twins, reached KCG 30min late. But maintenance of 12786 was top notch while it was quite unsatisfactory in Raj.