The Nova Scotia Nominee Program (NSNP) offers several immigration streams to attract skilled workers, international graduates, entrepreneurs, and physicians to Nova Scotia. Here is an overview of the nine different streams under NSNP:

1. **Nova Scotia Experience: Express Entry:**
   - For high-skilled immigrants with at least one year of work experience in Nova Scotia.
   - Applicants must be aged 21 to 55, be a Canadian high school graduate or equivalent, have language proficiency in English or French, and register a profile in the federal Express Entry pool.

2. **Nova Scotia Labour Market Priorities: Express Entry:**
   - This stream allows the province to target specific occupations for immigration.
   - Candidates must receive a Letter of Interest from NSNP within the Express Entry arrangement, meet work experience requirements, demonstrate sufficient funds, have legal status in their current country of residence, and meet eligibility criteria.

3. **Nova Scotia Labour Market Priorities For Physicians: Express Entry:**
   - Designed to attract qualified doctors, including family physicians and specialist physicians.
   - Requires an approved job offer from Nova Scotia Health Authority or the IWK Health Centre, commitment to live and work in Nova Scotia for a minimum period, and meeting other criteria.

4. **Skilled Worker:**
   - An employer-driven stream for foreign workers and international graduates.
   - Candidates must have a full-time permanent job offer from a Nova Scotia employer, meet work experience requirements, be aged between 21 and 55, have a minimum high school diploma, language proficiency, and financial resources.

5. **Occupations In Demand:**
   - Targets intermediate-skilled jobs in high demand in Nova Scotia.
   - Requires a full-time permanent job offer in specific target occupations, one year of related work experience, age between 21 and 55, high school diploma, language ability, and financial resources.

6. **Physician:**
   - Assists Nova Scotia's public health arrangement in hiring general practitioners, family physicians, and specialist physicians.
   - Requires a legal status in the country of residence, an approved job offer in specific physician categories, education and training, and language ability.

7. **International Graduates In Demand:**
   - Targets international graduates with job offers in specific NOC codes.
   - Requires a full-time permanent job offer corresponding to recent field of study, age between 21 and 55, high school diploma, completion of study within three years, regulatory body certifications, language proficiency, and financial resources.

8. **Entrepreneur:**
   - Targets candidates with business ownership or senior management experience.
   - Requires a minimum net worth of $600,000, a minimum investment of $150,000 in a Nova Scotia business, experience in actively managing and owning a business, language proficiency, and the intention to live in Nova Scotia.

9. **International Graduate Entrepreneur:**
   - Similar to the Entrepreneur stream but for recent graduates from Nova Scotia institutions.
   - Requires the intention to live in Nova Scotia, one year of continuous experience managing and owning a Nova Scotia business, completion of a degree or diploma in Nova Scotia, a valid post-graduation work permit, and language proficiency.

Candidates interested in any of these streams should closely review the specific requirements and application processes outlined by the Nova Scotia Nominee Program. Additionally, the NSNP may update its criteria, so it's advisable to refer to their official website or contact NSNP authorities for the most up-to-date information.