job hunting

i was a science student,went to do btech in mech,but couldnt complete due to health problems,came back to hometown,did lots of computer courses but did not settled in anyone,worked. 1.manorama printers as sales executive for 3years,salaary was 1000 2.was doing commission basis advertisement for 10years. 3.worked in insurance as advisor for 8years, 4.worked in personal loans sales, bank for 1year. 5.worked in website direct sales as bdm for 5years. worked in . presently working in car dealer company as delivery incharge in bangalore. i have changed 10 companies in 11 years.out of that 5comanies got closed down rest were salary less,some i couldnt do the target.in my cv i am displaying only 4 companies experience well prepared cv cv is prepared in sales profile.i was trying job in bangalore,almost many i got was of sales profile. my disadvantage was i have backpain not advised to travel thru byke. i am searching job where i can use my experience in sales, administration,management jobs, 1.if i want to go into bpo,i am worried about shifts in international bpo.they pay good.i heard that it will have health problems i have done btech mechanical,bba.mba marketing ,all distance education, what are the other areas i can enter,most of my experience is in sales, if i want to shift my career to what i can shift. i did website sales.i.e going to the market and bringing orders. In which area i can have a stable career.i am confused.