Conversation so far:
who won the sahitya akademi award 2017 in bodo language
Rita Boro won the 2017 Sahitya Akademi Award for Bodo language
what did rita boro write to win the sahita akademi award for bodo language
The novel Thwisam won Rita Boro the 2017 Sahitya Akademi Award for Bodo language

Question: when was the novel published
Self-contained rewrite: when was the novel thwisam published