Deciding between job offers can be a complex decision that depends on various factors beyond just the salary offered. Here are some points to consider when choosing between TCS and Cognizant based on the information provided:

1. Salary: Cognizant is offering a higher salary (8 LPA) compared to TCS (7 LPA). If salary is your main priority and you value the higher pay more than other factors, Cognizant might seem like the better option.
2. Company Culture: Company culture plays a significant role in job satisfaction. Research or try to gain insights into the work culture, values, and employee satisfaction at both TCS and Cognizant to see which one aligns more with your own preferences.
3. Career Growth Opportunities: Consider the growth opportunities each company offers. Evaluate which company provides better career advancement prospects, opportunities for skill development, training programs, and chances for promotions.
4. Work-Life Balance: Assess the work-life balance at both companies. Some companies may have a better work-life balance, flexible working hours, or remote work options that might be important to you, especially if you have other commitments outside of work.
5. Location: Consider the location of the job and how it fits with your personal preferences and lifestyle. If one company requires a long commute or relocation that you are not comfortable with, it could impact your decision.
6. Benefits and Perks: Look at the benefits and perks offered by both companies, such as healthcare benefits, retirement plans, paid time off, bonuses, stock options, etc.
7. Company Reputation: Consider the reputation of both TCS and Cognizant in the industry. Research their track record, client base, projects they are involved in, and overall standing in the market.
8. Job Role and Responsibilities: Evaluate the job role and responsibilities offered by both companies. Choose the one that aligns more closely with your career goals, interests, and skills.

Ultimately, the decision should be based on a combination of these factors and what matters most to you personally. You may also want to negotiate with both companies if there are specific aspects of the offer that you would like to improve.