chandigarh a routine protest by local tibetans against the visit of chinese ambassador hua jun duo to the city turned into a major embarrassment for the chandigarh administration on thursday apparently unaware of duos scheduled programme to inaugurate a photo exhibition depicting chinas heritage at the government art gallery in sector 10 where union minister for chemicals sukhdev singh dhindsa and advisor to the ut administrator neeru nanda were also to be present the chandigarh police failed to post security at the venue taking advantage of this some 25 to 30 protesting members of the regional tibet youth congress rtyc confronted an advance party of the ambassador which included the chinese cultural counsellor and chased them into the auditorium where a brief ceremony was planned before the formal inauguration the advance party comprising four to five members had to beat a hasty retreat through a narrow fire exit which was shut behind them the protesters however broke through the fire exit by breaking the thick glass on it but by then a small posse of not very wellequipped policemen led by superintendent of police city baldev singh had reached the venue who roughed up some of the protesters and chased them away soon police reinforcements along with senior superintendent of police parag jain arrived on the scene followed by neeru nanda and inspector general of police b s bassi however by the time the ambassador and after him dhindsa arrived things were back to normal and the ceremony went off smoothly the incident had its aftershocks with the police registering a case of rioting against the protesting tibetans after neeru nanda is understood to have expressed her displeasure to the senior police officers about the happening the chinese cultural counsellor is also learnt to have taken the members of the indochina friendship association a collaborator in the ambassadors entire itinerary to task for not informing the police about the programme associations general secretary b s shergill passed the buck to the administration saying it should have arranged for security as the show was organised by lalit kala akademi and that they were only collaborators akademi secretary madan lal claimed their role was confined to displaying the exhibits in the gallery but an administration spokesman said the administration was in no way involved in organising the event