He left for the Malabar Mission on 4 February 1824 and served first at Phirangipuram in Andhra Pradesh.

[2] This odd place was chosen for his consecration because the diocese was hit by a heavy famine and it was feared that a lavish ceremony would result in the hatred of the starving people.

Due to the usefulness this media, a new printing press was established by the mission near the cathedral in 1841.

After the Synod, Father LUQUET was sent to Rome to plead for the creation of local catholic hierarchy in India, but the request was too much ahead of the time.

On 3 April 1850, by the Brief "Pastorale Minsisterium" Mysore and Coimbatore too, were elevated into an Apostolic Vicariate.

On 13 August 1859 Mgr Bonnand was appointed by Pope Pius IX, Visitor Apostolic for all the missions in India.

Hébert, ends with the following note:" Selecting Mgr BONNAND as his successor may be considered as the greatest service he rendered to the mission."

Bonnand, was one of the most remarkable Vicar Apostolic of the MEP Society and the missions in India where he played an important role for more than 20 years.