The statement highlights a fundamental tension in India's parliamentary democracy: the potential for a powerful Prime Minister's Office (PMO) to undermine the principle of collective responsibility of the Council of Ministers. In a parliamentary system, the Council of Ministers, headed by the Prime Minister, is collectively responsible to the Lok Sabha. This means that all ministers stand or fall together, and decisions are taken collectively, even if individual ministers may have differing views in private. A strong PMO, while often seen as a sign of decisive leadership, can disrupt this delicate balance.

Understanding Collective Responsibility: Collective responsibility implies that:

1. Solidarity: All ministers are bound by cabinet decisions, even if they disagreed during deliberations. They must publicly support these decisions.
2. Accountability: The entire Council of Ministers is accountable to the Parliament for the actions and policies of the government.
3. Unity: The government functions as a single unit, presenting a united front to the public and Parliament.

Issues Arising from a Strong PMO vis-à-vis Council of Ministers:

1. Centralization of Power: A strong PMO often leads to the centralization of decision-making power in the hands of the Prime Minister and a small coterie of advisors within the PMO. This can bypass the traditional cabinet decision-making process, where proposals are deliberated and approved by the full Council of Ministers or relevant cabinet committees.
2. Diminished Role of Cabinet Ministers: When the PMO becomes overly powerful, individual cabinet ministers may find their autonomy and authority curtailed. Key policy decisions, appointments, and even day-to-day administrative matters might be dictated or heavily influenced by the PMO, reducing ministers to mere implementers rather than active participants in policy formulation. This can lead to a feeling of disempowerment among ministers.
3. Erosion of Collective Deliberation: The essence of collective responsibility lies in robust debate and deliberation within the Council of Ministers. A dominant PMO can stifle such discussions, leading to decisions being pushed through without adequate scrutiny or input from all relevant ministries. This can result in less comprehensive or well-thought-out policies.
4. Shadow Cabinet: The PMO, particularly with its senior bureaucrats and advisors, can sometimes act as a 'shadow cabinet,' effectively taking over the functions of various ministries. This creates parallel power centers and can lead to confusion, turf wars, and a lack of clarity regarding authority and accountability.
5. Accountability Deficit: If decisions are primarily made by the PMO without full cabinet involvement, it complicates the principle of collective responsibility. While the entire Council of Ministers is still technically accountable, the actual decision-makers might be a select few within the PMO, making it difficult to pinpoint responsibility.
6. Reduced Ministerial Autonomy: Ministers are expected to lead their departments and be accountable for their performance. However, if the PMO micro-manages ministries, it can undermine ministerial autonomy and initiative, leading to a less effective and less innovative administration.
7. Impact on Federalism: In some cases, a strong PMO might also centralize decision-making related to states, bypassing the established channels of inter-state relations or the role of specific ministries dealing with state affairs, further impacting federal dynamics.

Conclusion: While a strong PMO can provide coherence, speed, and direction to government policy, its unchecked growth can indeed be an 'anti-thesis' to the collective responsibility of the Council of Ministers. The ideal scenario is a balance where the PMO facilitates the Prime Minister's leadership and coordination, but respects the autonomy and deliberative role of the Council of Ministers. The Prime Minister is 'first among equals,' not an absolute ruler. Maintaining the spirit of collective responsibility requires that the PMO acts as a support system for the Prime Minister and the cabinet, rather than an alternative power center that overshadows the constitutional role of the Council of Ministers.