Topic: colours for success

Since it is Monday, offering milk or water to the Shivling brings mental peace. Additionally, as it is Republic Day, showing respect to the National Flag and performing a small act of social service (like cleaning a public area) is considered a karmic remedy for Saturn/Sun.

बिल्कुल नहीं। आध्यात्मिक और ज्योतिषीय प्रयोजनों के लिए केतु अत्यंत शुभ है। यदि केतु 4, 8 या 12वें भाव में हो और उस पर गुरु या बुध का प्रभाव हो, तो यह व्यक्ति को अद्वितीय पूर्वाभास (Intuition) की शक्ति प्रदान करता है।

Libra natives should avoid speaking harshly, starting new arguments, or launching any new projects. There is a risk of hidden opposition and misunderstandings.

Yes, for most charts during this Saturn–Neptune era.