The 6th house in Vedic astrology is associated with tasks, challenges, enemies, and illnesses. When the Sun is placed in the 6th House for lagna Aquarius, it implies that the native would need to put in additional effort to overcome obstacles and may face troubles related to health and adversaries. Sun being neutral in this sign state shows that its energies may not be exceptionally strong or weak, but it still plays a vital role in shaping up one's destiny.
As the lord of the seventh house, which is associated with partnerships and relationships, Sun in the 6th house for Aquarius ascendants creates a sense of tension between oneself and their partners or spouse. The native may struggle with maintaining harmonious terms with their better half. There could be power struggles within romantic relations, which may lead to unresolved conflicts.
Additionally, since Sun represents authority figures and government officials; having it as the lord of the seventh house could imply legal or bureaucratic disputes resulting from joint ventures or partnerships. It would be wise for individuals under this placement to carry out their proceedings carefully within collaborations.
Moving on to its aspect on the twelfth house of losses and expenses reveals that natives with this placement are likely to spend extravagantly on medical bills, hospitalization charges or service charges towards employees or team members who work under them. Furthermore, having Sun's aspect on this house also means that they might experience hidden enemies who try to cause harm behind closed doors through conspiracies.
Nevertheless, these same individuals can overturn such negative patterns by channelizing Sun's energy positively. By involving oneself in daily exercises like yoga or meditation can help them reflect upon their actions before making any risky expenditure commitments; bringing more stability into their lives whilst enhancing resilience against health issues
As mentioned aforementioned earlier Sun is also karaka for houses [1-10]. This means that self-care practices as well as effective communication skills should become integral parts of life if one desires to maintain one's reputation and overcome challenges that come with a 6th house Sun in Aquarius. They would need to find ways of remaining calm under pressure, and communicating effectively even during tense moments.
Holding on to their ethics and beliefs can help them become assertive individuals who people can rely upon. Furthermore, they are likely to excel in their workplace due to their persuasive communication skills that enable them to handle challenging conversations with ease.
Wrapping up, having the Sun placed in the 6th House for Aquarius Lagna is not without its trials and tribulations. They may face unexpected losses from hidden enemies or medical expenses; struggle in joint ventures or partnerships, experience power struggles with romantic interests, among other unfavorable occurrences. However, reorienting themselves towards cultivating self-care routines while reflecting upon themselves will help these natives strengthen both their professional reputation as well as personal relationships by portraying a more confident version of themselves which others tend to emulate.