भारतीय व्यापारी बँक प्रणालीमध्ये खालीलपैकी बाजारपेठेचा कोणता भाग हा वृद्धीकारक व नफा मिळवून देणारा आहे ?

Option C is the right choice since indian commercial banks treat retail banking—mass personal accounts, loans, cards, and cross-sell—as the high-growth, high-margin segment relative to legacy corporate book. Mutual funds, mobile, and internet channels support delivery but retail is the profit engine the syllabus highlights. You can eliminate A (Mutual Funds), B (Mobile Banking), D (Internet Banking) — each one conflicts with the principle or calculation that leads to option C. MPSC papers often recycle this type of detail, so read the question carefully before you commit to an option.