A second Shramik Express left for Motihari in Bihar from Tiruchy on Wednesday with 1425 migrant workers on board.
As many as 1,162 passengers reached Tamil Nadu on a Shramik Express from Delhi on Monday.
They lived inside a train, parked on a vacant railway line, which has served as their makeshift home since the last 50 days.
More than 1.79 lakh people from different parts of the country have applied to come back to Uttarakhand.
A train pilot spoke on his experience of operating a Shramik Express, one of special trains operated by the Indian Railways to carry thousands of migrant labourers, to their homes.
The migrants thanked the AP government for arranging the train and providing them food and drinking water.
All the passengers, who were stranded in Jalandhar due to the coronavirus-induced lockdown, were screened by the health teams before being allowed to board the train.
While 385 Odia workers from Surat have reached Ganjam till Saturday, more labourers are expected to arrive in the district soon.