If it's like 5laks try for a credit card, show some other income and may be not even yours, you can easily request for half a mill. And if its not working. Do it as follows
Get all documents ready, apply for 3-5 credit cards at the same time on preferable a Monday. Most likely 2-3 will get approve. Then after getting them go to the bank and ask for loan on card which they will give you 90% of credit limit as loan. You can settle by monthly instalments. If you opt for 24 months your bulk interest will charge at once. Or if you are well disciplined guy you can pay off those card by other returns sooner. Event though credit card interest 36% annually if you can pay early you can save lot.