The Lainingthou Sanna Mahee Sanna Pung, Kangleipak, also known as the Lainingthou Sanamahi Sanapung (LSSP), is a non-governmental organization of the followers of the Sanamahism (traditional Meitei religion), dedicated to God Lainingthou Sanamahi and other ancient Meitei deities of .
In June 2018, the LSSP organised the religious festival of Sanamahi Ahong Khong Chingba () which was banned and extinct for 350 consecutive years. It was celebrated once again for peace and prosperity of the people in the Manipuri metropolis of Imphal. The religious event is accustomed to be celebrated on the 15th day of the Meitei lunar month of "Inga" ().
The Lainingthou Sanamahi Sanapung (LSSP) organises the Meetei Chanu (), a beauty pageant with the aim to preserve the Meitei cultural tradition among the generations of the present day youths, as well as to impart knowledge of the traditions and the customs of the Sanamahi religion to Meitei women. To organise the contest, the LSSP formed a committee under the supervision of Leishemba Sanajaoba (), the titular King of Manipur.
On 29 November 2015, the Lainingthou Sanamahi Sanapung celebrated Ningol Chakouba () festival at Leimayon Arts Centre, Chingamakha in Imphal. The event was attended by Leishemba Sanajaoba (), the titular king of Manipur.
In April 2017, the Lainingthou Sanamahi Sana Pung organised a gift exchange program in accordance to the Sajibu Nongma Panba Cheiraoba () to celebrate the spirit of fraternity, at Leimayol Art Centre, Singjamei Chinga Makha in Imphal. During the event, women members of the LSSP also presented gifts to Leishemba Sanajaoba (), the titular King of Manipur.
In 2018, the Lainingthou Sanamahi Sana Pung, along with the United Committee Manipur, the Manipur PCC, the Manipur Pradesh Trinamool Congress and the Shiv Sena, raised their voices against the illegal encroachment issues with the IndiaâÂÂMyanmar border areas.