Regarding capital gain from selling of house property

Dear sir, i had purchase house(flat) on 26/09/2013 of rs 630,000/- with sbi home loan of 534,000 in 27 jul 2015, i paid up the said home loan As my father retired and he gave rs 471,679/- Now my property become free and in 22/02/2017, I sell this house to my sister with same value 630,000/- I received rs.535,000/- by cheque and 95,000/- in cash of small installment. the Amount i received that i pay back to my father. now i am a salaried person and i want to file my return so how can i get rebate in income tax.? please guide me.