Movement of Foriegn Exchange reserves at the end of month:

JAN 15 : US BILLION $ 322.

FEB 15 : US BILLION $ 334.

MAR 15 : US BILLION $ 340.

APR 15 : US BILLION $ 343.

MAY 15 : US BILLION $ 352.

JUNE 15 : US BILLION $ 355.

JULY 15 : US BILLION $ 353.

AUG 15 : US BILLION $ 355.

SEP 15 : US BILLION $ 352.

OCT 15 : US BILLION $ 351.

NOV 15 : US BILLION $ 352.

DEC 15 : US BILLION $ 351.

6 JAN 16 : US BILLION $ 350.

From above data we observe our reserves were rising month after month upto MAY 2015.
Thereafter despite fall in crude oil prices , reserves are either stagnant or declining .

How to reverse the trend suggest