If u r ebf u won't need one. As u mentioned currently not working,; if u go to work later it will help you to maintain the supply and to feed later when u not with your baby.; I don't know about luvlap pump but I used Philips avent manual pump which cost 2500 rupees. U can get cheap on Amazon .

You don’t really need a breast pump if you are breastfeeding successfully. Don’t know about luvlap manual pump