Consumer case can be filed at the plce where opposite party resides or carries on business or where cause of action partly or wholly arises.In your case you have received the goods at your place and paid the amount at your place and most important thing is that it came in your notice at your place that goods are defective so cause of action to file complaint arises at your place so you can file the complaint at your place.See sec 11[2] of act
11. Jurisdiction of the District Forum
(2) A complaint shall be instituted in a District Forum within the local limits of whose jurisdiction-
(a) the opposite party or each of the opposite parties, where there are more than one, at the time of the institution of the complaint, actually and voluntarily resides or 1[carries on business, or has a branch office or] personally works for gain; or
(b) any of the opposite parties, where there are more than one, at the time of the institution of the complaint, actually and voluntarily resides, or 1[carries on business or has a branch office, or personally works for gain: PROVIDED that in such case either the permission of the District Forum is given, or the opposite parties who do not reside, or 1[carry on business or have a branch office, or personally work for gain, as the case may be, acquiesce in such institution; or
(c) the cause of action, wholly or in part, arises.