During Ketu mahadasha, individuals generally feel emotionally detached, mentally lost, or lose interest in earthly possessions. With an afflicted Ketu, you may experience physical and mental health issues; career outages; and interpersonal issues. Alternatively, Ketu Dasha can result in an obsession with emphasising spiritual interests during Ketu Mahadasha, motivation of mental clarity, or aspirations for freedom (Mokha). The dasha tends to turn individuals inward, compelling introspection and revision of life objectives.

What are the Ketu Dasha Effects?

Ketu Mahadasha brings serious and varied changes, depending on Ketu's place in the natal chart. The period generally brings about a feeling of emotional disassociation, confusion, and moving away from worldly pursuits. It can create challenges in health, relationships, and career, particularly if Ketu is badly placed or weak. Conversely, it can bring about a deep spiritual push, heightened intuitiveness, and a desire to seek truth that is above the worldly shuffle. 

Ketu's influence is much more psychological and internal and usually drives people toward addressing unresolved karmic patterns and deep-seated internal struggles. Some of the most widespread effects experienced during this seven-year dasha include:

Job Setback: One can get fired, transferred or experience a professional setback.

Trusting Your Health: Eye issues, allergies, neurologists' problems or extreme tiredness.

Emotional Illness: General signs are depression/anxiety and pulling away from relationships.

Spiritual Enlightenment: Greater interest in meditation, religious tourism, and philosophical inquiry.

Family and Relationship Problems: Marriage problems, separation, or postponed marriage.

Financial Instability: Losses in business or legal issues about property or assets.

Remedies of Ketu Mahadasha are meant to minimise the malefic impact of the planet and restore equilibrium to the life of the individual. Ketu represents detachment, karmic weight, and spirituality so that the malefic effects can operate in the mind, feelings, and body. 

If Ketu is weak in the natal aspect or natal chart, the things Ketu can weigh down include indecision, loss, and uncertainty. The right remedies with astrology can control the chaos and channel Ketu's energy in a more optimistic direction.  These are wearing certain gemstones, doing spiritual rituals, making donations, and seeking divine will. Some of the efficient remedies that are usually suggested in this period are as follows:

• Wear a Cat's Eye (Lehsunia) Stone: Worn correctly in silver on your middle finger, it will reduce Ketu's malign effects, and the same is true for wearing a Hauynte like a ring. 
• Worship Lord Ganesha: Every day, say a Ganesha mantra: "Om Gan Ganapataye Namah" with a Rudraksha mala.
• Charity: Helping the poor and disabled by donating food, clothes, wheelchair rides, active helping, etc., is applicable here. 
• Spiritual Activity: Go to sacred grounds, practice yoga and meditation, and travel to sacred sites to experience peace of mind. 

• Stop Making Big Decisions: Only take action if you are capable of making action regarding travelling, career, organisational reconstitution, or relationships.

Though Ketu Dasha offers great opportunities for internal change and depersonalisation or detachment and contemplation, it can also mean confusion, impulsiveness, and emotional disengagement without forethought. Ketu, being a headless shadow planet, typically causes the unintentional to occur, which is something we all face in idiosyncratic situations. This may result in relationship, professional, or financial mistakes. 

The best way to think about approaching this time is to take it sensibly and be as grounded as possible while not engaging in actions that could succeed in compounding or amplifying Ketu's ill effects. So, to be mindful of the "do nots" and not merely the "do's" in Ketu Dasha can be just as important. The following are some of the most dangerous actions you can take during the Ketu Mahadasha:

• Do not rush decision-making: Ketu clouds your judgement and is bound to lead to dissatisfaction.
• Shun emotional clashes: Misunderstanding can very quickly turn into serious conflict.
• Do not disregard physical symptoms: Ordinary problems can become chronic concerns without attention.
• Do not excessively indulge in loneliness: Being alone is fine; in excess, it is not good; too much loneliness leads to depression.
• Do not pursue quick material returns: Ketu leads to detachment; material imperatives coerced may be used against or by you.

Is Ketu mahadasha the worst or is beneficial?

Ketu Mahadasha is not the worst but one of the most difficult periods because of its karmic and unpredictable nature. It varies depending on the birth chart of the individual. It may cause difficulty in worldly situations, but it can also give spiritual insights and breakthroughs. What matters is your reaction to it: resisting may cause suffering; while accepting it can lead to change.

Is it good to marry in Ketu dasha? 

Marriage under Ketu Dasha is not generally recommended unless there are strong astrological indications of planetary support in the chart. Ketu can introduce detachment and emotional separation, which might distort marital harmony. In case marriage cannot be avoided during this time, well-timed astrological remedies and consultation by an expert should be considered in order to maintain stability and rapport between spouses.