Free Civil Advice.There is a Division Bench judgment of Punjab and Haryana High Court titled as Bachan Singh Vs Swarn Singh, 2000(3) RCR (Civil) 70 in which it has been held that co-sharer in exclusive possession of the joint property has a right to enjoy and reap the fruits of the property even by raising construction and co-sharer who is not in exclusive possession has remedy by way of partition of the joint land/property before the concerned revenue authorities.
Therefore, you are not entitled to get injunction against the co-sharer.