ASD Treatment Centres in ludhiana. ASD Treatment in ludhiana. ASD Centres in ludhiana. (Possible difficulties in ASD) Eating non-edibles (Pica). Eating certain items only (choosy eating). Nutrition deficiency. Difficulty in sleeping. Insensitivity to pain. Suseptibility to allergin. Self-injurious behaviour. Perseverance (doing things over and over again). inability to accept change. Over- activity. Severe sensory difficulty. Quick upset at certain stimuli.