Jan 7 News: India's Growth, Global Tensions, Sports Records & More

• National: Delhi faces severe air pollution; Veteran Congress leader Suresh Kalmadi passed away; India rolls out e-Business Visa for Chinese citizens; Manipur blasts case handed to NIA.
• International: Japan hit by strong earthquake; Nigeria and Bangladesh face security challenges; UK braces for freezing temperatures; US updates childhood vaccine guidance; US military movement in Venezuela.
• Business: India's FY26 GDP growth predicted over 7.4%; Samsung unveils "AI Living" vision at CES 2026; Avanse Financial Services raises ₹1,200 crore; Tesla loses top EV spot to China's BYD.
• Sports: Australian Open offers record $2.79 million prize; Australia dominates Ashes with Steve Smith's record-breaking century; Neeraj Chopra launches new venture Vel Sports.

Why It Matters: Jan 7 brings diverse news from India's growth and global challenges to business innovations and sports achievements.