Stock Market Highlights: Nifty 50, Sensex end with minor gains, Nifty Bank rises 1%

The Nifty 50, Sensex, and Nifty Bank experience slight gains while oil stocks perform well, financial shares struggle, and the Nifty Midcap and Smallcap index reach record highs; meanwhile, India's Chandrayaan attempts to land on the Moon's south pole, an unprecedented accomplishment.