Hi iam planning to buy an apartment in bangalore. owner is in mumbai . for registration to be done in bangalore owner is not willing to come. he says he can send his person with special power of attorney only to complete registration process. but the complete sale amount will be received by owner and all the pages of sale deed will be signed by the owner. please suggest me can i buy with these arrangement or anything need to be changed. and also please let me know if owner gives SPA other than blood relatives what is the stamp duty to be paid and is it legally valid ??