The troops observed the object flying from Loah Sikho which moved towards Himi Siko and then the same object returned from Himi Siko and went towards the China side.
The unidentified flying object was blinking light every 4-5 seconds and could not be clearly seen due to darkness, the report said.
According to intelligence officials, the aerial transgression from China had happened last month on December 18th. Flying objects were seen inside Indian territory at 4:55 PM(local time) to 5:15 PM deep inside 5.5 km into Indian territory.
Due to darkness, Indian Army and Indo-Tibetan border police(ITBP) were unable to identify the flying object.
Joint report of Indian Army and ITBP sent to the Home ministry mentioned 8 major transgressions by China's army into India in December.
As per the report, three major border transgression happened in the northern sector of Ladakh.
On December 20th, the Chinese Army had entered 6.6 km into the Ladakh by vehicle. On Dec 21st again the Chinese troops in vehicles entered 2km into Indian territory. On December 30th, the Chinese army again entered 5.5 km deep into India.
According to the ITBP report, border transgression in the Thakung post of the central sector of Ladakh on December 30th was reported after Chinese troops were seen near the north bank of Pangong Tso early morning 1 km into India.
On December 21st and 28th, the Chinese troops entered 19 km across the border in Depsang area of Ladakh and 13.5 km into Samar Lungpa of Ladakh area.
Due to darkness, Indian Army and Indo-Tibetan border police were unable to identify the flying object.