Took money by cheating, how to get my money back

Hi, My co-brother [my wife's sister's husband] cheated me 25 lakhs in year 2011, and he has been saying he will give it for the last 4 years, but not giving my money back. he lives in hyderabad. he works in small company [he cannot pay me thru his salary], his expired dad's property is around 2 crores that need to be shared by total 4 people [including him], mother is willing to divide property. I have gathered some documents from him as a proof that he owes money to me, pl advice how to proceed legally 1) 100 Rupees india non judicial pronote agreement signed by him [no dates on document] with below details i have taken hand loan of Rs 30,00,000 in the year 2011 and will return in year 2014. if i fail, lender have right to take legal action against me. 2) 100 Rupees india non judicial pronote agreement signed by him [no dates on document] blank document 3) 6 blank promissory notes signed by him on revenue stamp [no dates on document] 4) 2 blank checks from state bank of hyderabad signed by him [no dates on document] 5) 2 blank checks from state bank of hyderabad signed by his wife [no dates on document] Thanks