Which course to pursue

Respected Members,

I would like have valuable opinion from all you professionals about which course to pursue after Bcom & that too at age of 30?? 

Options that are on my mind is 1. LLB  2. CWA 3. CS

I wolud like have detail of each of above courses in following terms

• Eligibility 
• Articleship or pactical training require. for how many years ?
• other training (like IIT or OT in case of CA)
• scope after qualification
• which course will be good for average student
• passing % 
• How many years it will take to qualify
• Cost to pursue courses
• coaching classes 

Thanks in advance