Goa, May 16 -- An Indian restaurant owner in Japan has become the face of growing concerns among foreign entrepreneurs after authorities reportedly rejected his business manager visa renewal under the country's stricter immigration rules.

Manish Kumar, who has lived in Japan for nearly 30 years and operated a restaurant in Saitama Prefecture for 18 years, said he was devastated after Japan's Immigration Services Agency denied his visa extension request.

Speaking during a protest rally in Tokyo, Kumar broke down emotionally while describing the uncertainty facing his family.

"Two weeks ago, ISA told me to go back to my own country. My children were born and raised in Japan, they only understand Japanese, their only friends are Japanese ...