The word opposite in meaning to the one given above is:
Thrifty

Correct option is B

Correct antonym: (b) Wasteful
Meaning of the given word (Thrifty):
• Thrifty → careful about spending money; economical; not wasteful (Hindi: मितव्ययी / किफ़ायती)
• Key idea: spends wisely and avoids unnecessary expenses.
Example: She is thrifty and saves a part of her salary every month.
Meaning of the correct option (Wasteful):
• Wasteful → using too much; spending carelessly; extravagant (Hindi: फिजूलखर्च / अपव्ययी)
• Why it is opposite: thrifty = economical; wasteful = careless spending.
Example: Buying things you don’t need is wasteful.
Synonyms (Thrifty): economical, frugal, prudent, sparing.
Antonyms (Thrifty): wasteful, extravagant, lavish, prodigal.
Meanings of other options (in detail):
• (a) Provident → showing foresight; saving for future; prudent (similar to thrifty) (Hindi: दूरदर्शी / भविष्य के लिए बचत करने वाला)
• (c) Penurious → extremely poor OR very stingy (similar sense, not opposite) (Hindi: अत्यंत गरीब / कंजूस)
• (d) Stingy → unwilling to spend; miserly (similar, not opposite) (Hindi: कंजूस)
Hence, option (b) is the correct answer.