ayanamsha options are n.c.lahri,b.v.raman,k.p.system,sayan

How to change Ayanamsha
Ayanamsha is a special value deducted from the real planetary longitudes. There are several different Ayanamsha values recommended by different astrologers. Horoscope Explorer gives you the option to select from the following Ayanamshas.

• Lahiri (Also called Chitrapakshiya Ayanamsha) - This ayanamsha is popular all over northern India and is a standard here. If you are located in the north you should use this Ayanamsha.
  
• KP (Krishnamurthy Ayanamsha) - Krishnamurty or KP Ayanamsha is only slightly different from Lahiri Ayanamsha and is popular with researchers and professional astrologers.
BV Raman - Ayanamsha value developed by popular astrologer BV Raman is popular in sourthern Indian states. You can use this value if you are located in western India.
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Sayan - Sayan or with ayanamsha. In this mode there is no deduction of Ayanamasha from the planetary longitudes. This is used for the western system of astrology.