The correct answer is: C. 11-18 years.
The SABLA programme is a government initiative that aims to improve the health and well-being of adolescent girls in Bihar. The programme provides girls with access to education, health care, and nutrition, as well as opportunities for economic empowerment. The programme is being implemented in all 38 districts of Bihar and is targeting girls aged 11-18 years.
Option A is incorrect because the SABLA programme is not limited to girls aged 9-12 years. Option B is incorrect because the SABLA programme is not limited to girls aged 11-13 years. Option D is incorrect because the SABLA programme is being implemented in Bihar.