Certification

Hi Amisha,
Some of the best instructor certification are :-
1. CSCS
The Certified Strength and Conditioning Specialist - CSCS - offered by the National Strength and Conditioning Association (nsca-lift.org) is one of the most recognized personal trainer certifications in the fitness industry. It is also one of the most difficult certifications to earn and requires a 4-year college degree. The CSCS is commonly earned by strength coaches or personal trainers working with athletes.
2. ACE
The American Council on Exercise offers various health and fitness certifications and their general personal trainer certification is considered one of the best. ACE offers a 2-day workshop to help you study and prepare for the certification examination. You must recertify every two years to remain ACE personal trainer certified.
3. NASM
Since 1987, the National Academy of Sports Medicine has been a leader in the sports and fitness industry. To become an NASM certified personal trainer, you must be at least 18-years old, CPR certified and successfully pass a two hour examination with 120 questions. You must recertify every two years and can add various specialty certifications based on your clientele.
4. ACSM
The American College of Sports Medicine (acsm.org) was created in 1954 and offers one of the top personal trainer certifications. The accredited certification program requires a high school diploma and CPR certification to take the 125 to 150 question examination. After earning the certification, you must recertify every three years.
5. NSCA-CPT
The National Strength and Conditioning Association (nsca-lift.org) started offering the Certified Personal Trainer - NSCA-CPT - certification in 1993 and is considered one of the most challenging examinations. The prerequisites for taking the NSCA-CPT test include at least 18-years old and CPR certified allowing college students to work as a certified personal trainer as they study health and fitness.
Other certifications are AFPA / NFPT / NESTA / IFPA and Cooper Institute.
Hope this information helps. Please feel free to revert. Click on the thumbs up or mark it as the best, if you found this useful.
Wish You Luck!