A tribal woman, right, exchanges goods in the form of barter system during Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)

A Tiwa tribal woman prepares food during Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)

A tribal woman prepares food during Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)

Tribal women exchange goods in the form of barter system during Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)

Tribal women carry goods traded in barter system during Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)

A Tiwa tribal man arranges fishes for barter during Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)

Roosters attack each other during a cockfight as part of Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath), APTOPIX

Roosters attack each other during a cockfight as part of Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)

An injured Rooster bleeds during a cockfight as part of Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)

Roosters attack each other during a cockfight as part of Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)

Tribal people participate in the community fishing during Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)

A tribal woman participates in the community fishing during Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)

A boy holds roosters before their fight during Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)

Tribal people participate in the community fishing during Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)

Tiwa tribal women exchange goods in the form of barter system during Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)

A Tiwa tribal woman carries her son on her back during Jonbeel festival near Jagiroad, about 75 kilometers (47 miles) east of Gauhati, India, Friday, Jan.18, 2019. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills participate in large numbers in the festival that signifies harmony and brotherhood amongst various tribes and communities and exchange goods through an established barter system. (AP Photo/Anupam Nath)