I have  opened an account in Kotak Gold Fund (Kotak Mutual Fund)  for Rs 5000/- SIP since last 20 months in Axis Bank. Now NAV is Rs. 13.29 as on 16 May 2014. Kindly suggest that either monthly amount may be minimized (from Rs 5000/- to Rs 1000/-) or kept continue for long time as it is.

Please advise