Answer is b is correct. Section 2(1) (f) defines what constitutes a “fact” under the Act. Therefore, option (b) is the correct answer.

Answer is c is correct. Section 130 of the Negotiable Instruments Act, 1881, provides that when a negotiable instrument is crossed with the words 'not negotiable', it does not affect its transferability; however, it prohibits further negotiation. Therefore, option (c) is the correct answer.

Answer is b is correct. The deputed police force remains exclusively under the orders of the District Superintendent and at the applicant’s expense. Therefore, option (b) is the correct answer.

Answer is b is correct. According to the Hindu Adoptions and Maintenance Act, 1956, a Hindu male can adopt a female child only if the child is below the age of 15 years. Since the child in this scenario is 15 years old, the adoption is void. Therefore, option (b) is the correct answer.

Answer is b is correct. Section 31 mandates that police maintain order in public roads, streets, and other public places, ensuring peace and security. Therefore, option (b) is the correct answer.