i am biotech undergraduate studying 4th yr b.tech
i took my gre and got 1070
can i get admission any mediocre university with aid
i have a academic aggregate of 81%

Universities have different minimum GRE scores, you must decide what type of course you want to study and then start looking at all the college that is offering that course and then you can check out their GRE requirement. You cannot predict if you will get admission with just your GRE scores.

Here is a sample GRE score requirement for Georgia Tech

Graduate Record Examination (GRE)

The GRE is required of all applicants. All applicants must submit scores for the following three parts: Verbal, Quantitative, and Analytical Writing. Your GRE test scores are an important part of your application and you should strive to submit the best possible scores. The average GRE scores for applicants accepted into our graduate program for the past two years are:









The admission committee considers several factors when making admission decisions. Your academic performance at prior institutions (GPAs), your GRE test scores, your statement of purpose, and your letters of recommendation. All of these factors are important. Your application will be strengthened if your GRE scores are at or above these average values. If your GRE scores are lower than these averages, your chances for admission will be reduced and, if your scores are very low (ie., below 400V, 700Q, and 3.5AW), your application will be declined. Furthermore, meeting or exceeding these average numbers for GRE scores does not guarantee admission.

http://www.ece.gatech.edu/academics/graduate/apply.html

GRE Scores and Graduate Admissions

Many factors play a role in an applicant’s admissibility and expectation of success as a graduate student. GRE® scores are only one element in this total picture and should be considered along with other data.
The GRE Board believes that GRE scores should never be the sole basis for an admissions decision and that it is inadvisable to reject an applicant solely on the basis of GRE scores. A cutoff score below which every applicant is categorically rejected without consideration of any other information should not be used.
Scores on the GRE General Test permit comparison of one applicant to a graduate school with other applicants for the same program at that institution as well as with everyone else who took the test.
The GRE Subject Tests provide an additional measure of applicants’ preparation for graduate school. For certain Subject Tests, subscores provide further information for consideration. These subscores, which reflect a student’s general strengths and weaknesses in the major areas on which the total score is based, aid in the interpretation of the total score.
Often the subscores can suggest areas in which the student may require extra work. A low subscore, however, may be the result of lack of exposure to a particular subfield. As a result, subscores should always be reviewed in relation to the applicant’s undergraduate history.
For admissions decisions, the weight to be given to GRE scores can generally be established by relating what the tests measure to the orientation, curriculum, and aims of the department. Specifically, the content validity of the tests for a graduate department should be determined by reviewing each test carefully and then making subjective decisions as to the weight, if any, the scores on GRE tests should receive in relation to other admission factors.