It is very easy in this electronic world!
Contact HDFC or LICHFL, they will give you the format of power of attorney by mail. Just down load it and execute it in favour of some one reliable to you in Pune. Get it notarised and send it to Pune by courier.
Now the attorney can sign all papers here in Pune on your behalf. All proofs of employment and Income, you may have to send by mail to HDFC. All legal matters will be taken care by the HDFC. You pay the processing fees and pay initial advance to the seller and give proof of such advance payment.
Your loan sanctioning will happen in one week and the seller will be paid according to the stage of building. That simple and you have to make e-payment for your EMI.

