Total profit = \rupee2,00,000.
Profit sharing of Boris as per ratio = $\frac{3}{10} \times 2,00,000 = \rupee60,000$.
Shortfall for Boris = \rupee95,000 - \rupee60,000 = \rupee35,000.
This shortfall is borne equally by Abhay and Chetan.
Amount given by Abhay to Boris = $\frac{35,000}{2} = \rupee17,500$.
Similarly, amount given by Chetan = \rupee17,500.