Kaalsarpayog is formed when all the planets is located between Rahu and Ketu. Those person or family where the sickness is not going away should put this yantra in house or pocket. Person born under KaalSarpaYog passes through death like agonies throughout their life should carry this yantra.
Mantra: Om Asteek Munaye Namaha  

This yantra helps to keep death away due to disease or accident. Not only it prevents diseases, it maintains normal health of the person or family where-ever it is adorned.
Mantra: Tatpurushay Vidmahe Mahaadevaaya Dheemahi, Tanno Rudrah Prachodayaat  

Represents the Lord Krishna. It brings love and relationship for a person. This yantra is a powerful to destroy the enemies mind.
Mantra: Om Kling Krishnaaya Namaha  

Good for health as it prevents diseases coming to worshipper. It helps to improve memory and concentration.   

This yantra is useful for destruction and defeat of enemies, whether they are visible or invisible.
Mantra: Om Paramaatmane Namah  

It helps in enhancing good luck. The person can enjoy materialistic world. Relationship with friends are good and it keeps loneliness away.  

Bisa Yantra is kept in pocket or purse to avoid many troubles such as fear of thief, fires, quarrels etc. This yantra is regarded as a symbol of power. Durga yantra is a powerful yantra for attaining desires; to remove difficulties and to conquer enemies are the special effects of this yantra. Durga yantra protects the person from all sorts of dangers
Mantra:Om Aing Hring Kling Chaamundaayai Vichchai  

Kalsarpa Yantra contain 13 variety of yantra encarved in a single plate. Hanging this yantra in house where some of the family member have kal sarpa Dosha is very good. Keep this yantra in wall of the north east corner of the house.  

Sampurna Rognashak yantra is very good in keeping the house where people residing in the house always have small small health problems.It will help to prevent the family members from getting  sick.  

This yantra increases masculine powers and removes sexual disorders, impotency and blood disorders. Those who have malefic mars in their chart or horoscope should carry or put in house or room.
Mantra: Om Ham Hanumate Namah  

Navadurga Yantra  

Vehicle accident protection Yantra  

Bairav Yantra  

Indra Jal is used to hang in wall exactly opposite to the Entry door of the house. Helps to remove and absorb all kind of Negaitve energies coming towards the house .