No, More Muslims were killed by Sikhs/Hindus in East Punjab (almost double) than the total number of Sikhs and Hindus killed by Muslims in West Punjab.
Riots first broke out in (a few) Muslim majority areas of Punjab. Sikhs/Hindus later retaliated, but on a much grander scale. The attacks, financed by Hindu tycoons and Sikh Maharajas, were so well planned/organized that many in Pakistan (and even in India) declared them "The Sikh Plan" and claimed that great Sikh conspiracy laid behind the attacks. Quite suspiciously, Sikh leaders had ordered their followers to evacuate en masse the canal lands of West Punjab (Faisalabad and Sahiwal especially) even though there were no attacks on them by Muslim mobs.
Even Nehru declared that the Sikhs were the aggressors. He said he believed that some Sikh leaders were hoping to provoke a war between India and Pakistan, so they could launch an invasion to recapture the western half of the Punjab. Whatever the real intentions of the Sikh leaders were, they failed to achieve their goal. They were only successful in (either killing or) driving almost each and every Muslim out of East Punjab. But that didn't come without a cost. All Hindus and Sikhs (too) had to leave West Punjab. Although Muslims (53%) were a majority in united Punjab, Sikhs (14.6%) and Hindus (30%), besides owning most of the agricultural land, together owned roughly 75-80 % of commerce, manufacturing and even real estate., but they ended up getting East Punjab only i.e. 38% of the Total Land area of Punjab.