We should observe1st January as Kalpataru Diwas not as New Years Day.
Information Related To The Hindu Religion
Observe 1st  January as the Day of Sri Ramakrishnas Self Revelation Kalpataru Diwas. Must not a meaningless New Years day to us. ~Upananda Brahmachari. The celebration of 1st January as a D-day (New Years Day) under Christian calendar is nothing but a sign of cultural slavery. The Christians through its English and Portuguese regime [...]
Source: Struggle for Hindu Existence